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Finding the Fourth Proportional to 162,374.10, 243,561.15 and 103,470.90

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Solution

The fourth proportional to 162,374.10, 243,561.15 and 103,470.90 is: 155,206.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,374.10 : 243,561.15 = 103,470.90 : x
  2. Step 2: Convert to fraction form
    162,374.10/243,561.15 = 103,470.90/x
  3. Step 3: Cross multiply
    162,374.10x = 243,561.15 × 103,470.90
  4. Step 4: Simplify right side
    162,374.10x = 25,201,491,395.54
  5. Step 5: Solve for x
    x = 25,201,491,395.54/162,374.10
  6. Step 6: Final answer
    x = 155,206.35

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1.5x scale

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.