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Finding the Fourth Proportional to 124,603.56, 171,932.64 and 73,609.20

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Solution

The fourth proportional to 124,603.56, 171,932.64 and 73,609.20 is: 101,568.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,603.56 : 171,932.64 = 73,609.20 : x
  2. Step 2: Convert to fraction form
    124,603.56/171,932.64 = 73,609.20/x
  3. Step 3: Cross multiply
    124,603.56x = 171,932.64 × 73,609.20
  4. Step 4: Simplify right side
    124,603.56x = 12,655,824,084.29
  5. Step 5: Solve for x
    x = 12,655,824,084.29/124,603.56
  6. Step 6: Final answer
    x = 101,568.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.