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Finding the Fourth Proportional to 357,657.16, 536,402.51 and 133,123.34

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Solution

The fourth proportional to 357,657.16, 536,402.51 and 133,123.34 is: 199,654.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,657.16 : 536,402.51 = 133,123.34 : x
  2. Step 2: Convert to fraction form
    357,657.16/536,402.51 = 133,123.34/x
  3. Step 3: Cross multiply
    357,657.16x = 536,402.51 × 133,123.34
  4. Step 4: Simplify right side
    357,657.16x = 71,407,693,715.58
  5. Step 5: Solve for x
    x = 71,407,693,715.58/357,657.16
  6. Step 6: Final answer
    x = 199,654.03

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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.