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Finding the Fourth Proportional to 124,024.50, 186,036.76 and 36,472.50

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Solution

The fourth proportional to 124,024.50, 186,036.76 and 36,472.50 is: 54,708.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,024.50 : 186,036.76 = 36,472.50 : x
  2. Step 2: Convert to fraction form
    124,024.50/186,036.76 = 36,472.50/x
  3. Step 3: Cross multiply
    124,024.50x = 186,036.76 × 36,472.50
  4. Step 4: Simplify right side
    124,024.50x = 6,785,225,729.10
  5. Step 5: Solve for x
    x = 6,785,225,729.10/124,024.50
  6. Step 6: Final answer
    x = 54,708.75

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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.