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Finding the Fourth Proportional to 124,491.60, 186,737.40 and 35,737.20

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Solution

The fourth proportional to 124,491.60, 186,737.40 and 35,737.20 is: 53,605.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,491.60 : 186,737.40 = 35,737.20 : x
  2. Step 2: Convert to fraction form
    124,491.60/186,737.40 = 35,737.20/x
  3. Step 3: Cross multiply
    124,491.60x = 186,737.40 × 35,737.20
  4. Step 4: Simplify right side
    124,491.60x = 6,673,471,811.28
  5. Step 5: Solve for x
    x = 6,673,471,811.28/124,491.60
  6. Step 6: Final answer
    x = 53,605.80

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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.