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Finding the Fourth Proportional to 125,154.72, 187,559.28 and 101,826.72

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Solution

The fourth proportional to 125,154.72, 187,559.28 and 101,826.72 is: 152,599.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,154.72 : 187,559.28 = 101,826.72 : x
  2. Step 2: Convert to fraction form
    125,154.72/187,559.28 = 101,826.72/x
  3. Step 3: Cross multiply
    125,154.72x = 187,559.28 × 101,826.72
  4. Step 4: Simplify right side
    125,154.72x = 19,098,546,287.96
  5. Step 5: Solve for x
    x = 19,098,546,287.96/125,154.72
  6. Step 6: Final answer
    x = 152,599.49

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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.