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Finding the Fourth Proportional to 187,366.65, 280,911.47 and 97,280.03

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Solution

The fourth proportional to 187,366.65, 280,911.47 and 97,280.03 is: 145,848.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,366.65 : 280,911.47 = 97,280.03 : x
  2. Step 2: Convert to fraction form
    187,366.65/280,911.47 = 97,280.03/x
  3. Step 3: Cross multiply
    187,366.65x = 280,911.47 × 97,280.03
  4. Step 4: Simplify right side
    187,366.65x = 27,327,074,337.99
  5. Step 5: Solve for x
    x = 27,327,074,337.99/187,366.65
  6. Step 6: Final answer
    x = 145,848.12

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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.