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Finding the Fourth Proportional to 437,751.16, 656,646.87 and 134,123.58

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Solution

The fourth proportional to 437,751.16, 656,646.87 and 134,123.58 is: 201,191.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,751.16 : 656,646.87 = 134,123.58 : x
  2. Step 2: Convert to fraction form
    437,751.16/656,646.87 = 134,123.58/x
  3. Step 3: Cross multiply
    437,751.16x = 656,646.87 × 134,123.58
  4. Step 4: Simplify right side
    437,751.16x = 88,071,829,000.19
  5. Step 5: Solve for x
    x = 88,071,829,000.19/437,751.16
  6. Step 6: Final answer
    x = 201,191.54

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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.