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Finding the Fourth Proportional to 306,460,233.60, 422,924,094.90 and 167,239,968.90

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Solution

The fourth proportional to 306,460,233.60, 422,924,094.90 and 167,239,968.90 is: 230,796,053.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,460,233.60 : 422,924,094.90 = 167,239,968.90 : x
  2. Step 2: Convert to fraction form
    306,460,233.60/422,924,094.90 = 167,239,968.90/x
  3. Step 3: Cross multiply
    306,460,233.60x = 422,924,094.90 × 167,239,968.90
  4. Step 4: Simplify right side
    306,460,233.60x = 70,729,812,478,136,648
  5. Step 5: Solve for x
    x = 70,729,812,478,136,648/306,460,233.60
  6. Step 6: Final answer
    x = 230,796,053.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.