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Finding the Fourth Proportional to 119,527.88, 164,948.19 and 65,812.92

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Solution

The fourth proportional to 119,527.88, 164,948.19 and 65,812.92 is: 90,821.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,527.88 : 164,948.19 = 65,812.92 : x
  2. Step 2: Convert to fraction form
    119,527.88/164,948.19 = 65,812.92/x
  3. Step 3: Cross multiply
    119,527.88x = 164,948.19 × 65,812.92
  4. Step 4: Simplify right side
    119,527.88x = 10,855,722,032.61
  5. Step 5: Solve for x
    x = 10,855,722,032.61/119,527.88
  6. Step 6: Final answer
    x = 90,821.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.