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Finding the Fourth Proportional to 125,050, 187,621.08 and 65,883.28

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Solution

The fourth proportional to 125,050, 187,621.08 and 65,883.28 is: 98,849.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,050 : 187,621.08 = 65,883.28 : x
  2. Step 2: Convert to fraction form
    125,050/187,621.08 = 65,883.28/x
  3. Step 3: Cross multiply
    125,050x = 187,621.08 × 65,883.28
  4. Step 4: Simplify right side
    125,050x = 12,361,092,147.54
  5. Step 5: Solve for x
    x = 12,361,092,147.54/125,050
  6. Step 6: Final answer
    x = 98,849.20

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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.