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Finding the Fourth Proportional to 58,103, 87,154.50 and 14,327

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Solution

The fourth proportional to 58,103, 87,154.50 and 14,327 is: 21,490.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,103 : 87,154.50 = 14,327 : x
  2. Step 2: Convert to fraction form
    58,103/87,154.50 = 14,327/x
  3. Step 3: Cross multiply
    58,103x = 87,154.50 × 14,327
  4. Step 4: Simplify right side
    58,103x = 1,248,662,521.50
  5. Step 5: Solve for x
    x = 1,248,662,521.50/58,103
  6. Step 6: Final answer
    x = 21,490.50

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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.