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Finding the Fourth Proportional to 58,118.76, 87,176.28 and 16,565.76

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Solution

The fourth proportional to 58,118.76, 87,176.28 and 16,565.76 is: 24,848.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,118.76 : 87,176.28 = 16,565.76 : x
  2. Step 2: Convert to fraction form
    58,118.76/87,176.28 = 16,565.76/x
  3. Step 3: Cross multiply
    58,118.76x = 87,176.28 × 16,565.76
  4. Step 4: Simplify right side
    58,118.76x = 1,444,141,332.17
  5. Step 5: Solve for x
    x = 1,444,141,332.17/58,118.76
  6. Step 6: Final answer
    x = 24,848.11

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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.