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Finding the Fourth Proportional to 125,059.90, 187,570.14 and 40,819.63

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Solution

The fourth proportional to 125,059.90, 187,570.14 and 40,819.63 is: 61,223.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,059.90 : 187,570.14 = 40,819.63 : x
  2. Step 2: Convert to fraction form
    125,059.90/187,570.14 = 40,819.63/x
  3. Step 3: Cross multiply
    125,059.90x = 187,570.14 × 40,819.63
  4. Step 4: Simplify right side
    125,059.90x = 7,656,543,713.85
  5. Step 5: Solve for x
    x = 7,656,543,713.85/125,059.90
  6. Step 6: Final answer
    x = 61,223.01

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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.