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Finding the Fourth Proportional to 119,238.48, 164,549.88 and 65,527.92

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Solution

The fourth proportional to 119,238.48, 164,549.88 and 65,527.92 is: 90,428.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,238.48 : 164,549.88 = 65,527.92 : x
  2. Step 2: Convert to fraction form
    119,238.48/164,549.88 = 65,527.92/x
  3. Step 3: Cross multiply
    119,238.48x = 164,549.88 × 65,527.92
  4. Step 4: Simplify right side
    119,238.48x = 10,782,611,372.65
  5. Step 5: Solve for x
    x = 10,782,611,372.65/119,238.48
  6. Step 6: Final answer
    x = 90,428.96

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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.