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Finding the Fourth Proportional to 145,227.88, 217,927.08 and 60,981.57

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Solution

The fourth proportional to 145,227.88, 217,927.08 and 60,981.57 is: 91,508.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,227.88 : 217,927.08 = 60,981.57 : x
  2. Step 2: Convert to fraction form
    145,227.88/217,927.08 = 60,981.57/x
  3. Step 3: Cross multiply
    145,227.88x = 217,927.08 × 60,981.57
  4. Step 4: Simplify right side
    145,227.88x = 13,289,535,483.92
  5. Step 5: Solve for x
    x = 13,289,535,483.92/145,227.88
  6. Step 6: Final answer
    x = 91,508.16

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1.5x scale

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.