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Finding the Fourth Proportional to 437,792.52, 656,688.96 and 105,368.52

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Solution

The fourth proportional to 437,792.52, 656,688.96 and 105,368.52 is: 158,052.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,792.52 : 656,688.96 = 105,368.52 : x
  2. Step 2: Convert to fraction form
    437,792.52/656,688.96 = 105,368.52/x
  3. Step 3: Cross multiply
    437,792.52x = 656,688.96 × 105,368.52
  4. Step 4: Simplify right side
    437,792.52x = 69,194,343,815.54
  5. Step 5: Solve for x
    x = 69,194,343,815.54/437,792.52
  6. Step 6: Final answer
    x = 158,052.82

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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.