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Finding the Fourth Proportional to 437,444.70, 656,167.01 and 105,020.70

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Solution

The fourth proportional to 437,444.70, 656,167.01 and 105,020.70 is: 157,531.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,444.70 : 656,167.01 = 105,020.70 : x
  2. Step 2: Convert to fraction form
    437,444.70/656,167.01 = 105,020.70/x
  3. Step 3: Cross multiply
    437,444.70x = 656,167.01 × 105,020.70
  4. Step 4: Simplify right side
    437,444.70x = 68,911,118,182.00
  5. Step 5: Solve for x
    x = 68,911,118,182.00/437,444.70
  6. Step 6: Final answer
    x = 157,531.04

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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.