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Finding the Fourth Proportional to 157,480,808.30, 236,221,212.45 and 157,480,808.30

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Solution

The fourth proportional to 157,480,808.30, 236,221,212.45 and 157,480,808.30 is: 236,221,212.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,480,808.30 : 236,221,212.45 = 157,480,808.30 : x
  2. Step 2: Convert to fraction form
    157,480,808.30/236,221,212.45 = 157,480,808.30/x
  3. Step 3: Cross multiply
    157,480,808.30x = 236,221,212.45 × 157,480,808.30
  4. Step 4: Simplify right side
    157,480,808.30x = 37,200,307,474,232,024
  5. Step 5: Solve for x
    x = 37,200,307,474,232,024/157,480,808.30
  6. Step 6: Final answer
    x = 236,221,212.45

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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.