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Finding the Fourth Proportional to 60,214.91, 89,956.12 and 38,981.98

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Solution

The fourth proportional to 60,214.91, 89,956.12 and 38,981.98 is: 58,235.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,214.91 : 89,956.12 = 38,981.98 : x
  2. Step 2: Convert to fraction form
    60,214.91/89,956.12 = 38,981.98/x
  3. Step 3: Cross multiply
    60,214.91x = 89,956.12 × 38,981.98
  4. Step 4: Simplify right side
    60,214.91x = 3,506,667,670.72
  5. Step 5: Solve for x
    x = 3,506,667,670.72/60,214.91
  6. Step 6: Final answer
    x = 58,235.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.