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Finding the Fourth Proportional to 357,800.29, 536,700.43 and 133,154.89

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Solution

The fourth proportional to 357,800.29, 536,700.43 and 133,154.89 is: 199,732.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,800.29 : 536,700.43 = 133,154.89 : x
  2. Step 2: Convert to fraction form
    357,800.29/536,700.43 = 133,154.89/x
  3. Step 3: Cross multiply
    357,800.29x = 536,700.43 × 133,154.89
  4. Step 4: Simplify right side
    357,800.29x = 71,464,286,925.11
  5. Step 5: Solve for x
    x = 71,464,286,925.11/357,800.29
  6. Step 6: Final answer
    x = 199,732.33

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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.