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Finding the Fourth Proportional to 125,410.68, 187,995.06 and 42,259.32

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Solution

The fourth proportional to 125,410.68, 187,995.06 and 42,259.32 is: 63,348.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,410.68 : 187,995.06 = 42,259.32 : x
  2. Step 2: Convert to fraction form
    125,410.68/187,995.06 = 42,259.32/x
  3. Step 3: Cross multiply
    125,410.68x = 187,995.06 × 42,259.32
  4. Step 4: Simplify right side
    125,410.68x = 7,944,543,398.96
  5. Step 5: Solve for x
    x = 7,944,543,398.96/125,410.68
  6. Step 6: Final answer
    x = 63,348.22

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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.