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Finding the Fourth Proportional to 375,166.40, 562,808.45 and 122,388.55

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Solution

The fourth proportional to 375,166.40, 562,808.45 and 122,388.55 is: 183,602.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,166.40 : 562,808.45 = 122,388.55 : x
  2. Step 2: Convert to fraction form
    375,166.40/562,808.45 = 122,388.55/x
  3. Step 3: Cross multiply
    375,166.40x = 562,808.45 × 122,388.55
  4. Step 4: Simplify right side
    375,166.40x = 68,881,309,022.20
  5. Step 5: Solve for x
    x = 68,881,309,022.20/375,166.40
  6. Step 6: Final answer
    x = 183,602.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.