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Finding the Fourth Proportional to 159,909.84, 240,063.48 and 103,565.52

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Solution

The fourth proportional to 159,909.84, 240,063.48 and 103,565.52 is: 155,476.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,909.84 : 240,063.48 = 103,565.52 : x
  2. Step 2: Convert to fraction form
    159,909.84/240,063.48 = 103,565.52/x
  3. Step 3: Cross multiply
    159,909.84x = 240,063.48 × 103,565.52
  4. Step 4: Simplify right side
    159,909.84x = 24,862,299,139.21
  5. Step 5: Solve for x
    x = 24,862,299,139.21/159,909.84
  6. Step 6: Final answer
    x = 155,476.98

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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.