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Finding the Fourth Proportional to 60,239.40, 83,088.90 and 42,371.88

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Solution

The fourth proportional to 60,239.40, 83,088.90 and 42,371.88 is: 58,444.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,239.40 : 83,088.90 = 42,371.88 : x
  2. Step 2: Convert to fraction form
    60,239.40/83,088.90 = 42,371.88/x
  3. Step 3: Cross multiply
    60,239.40x = 83,088.90 × 42,371.88
  4. Step 4: Simplify right side
    60,239.40x = 3,520,632,900.13
  5. Step 5: Solve for x
    x = 3,520,632,900.13/60,239.40
  6. Step 6: Final answer
    x = 58,444.02

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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.