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Finding the Fourth Proportional to 119,008.89, 164,242.85 and 65,304.27

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Solution

The fourth proportional to 119,008.89, 164,242.85 and 65,304.27 is: 90,125.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,008.89 : 164,242.85 = 65,304.27 : x
  2. Step 2: Convert to fraction form
    119,008.89/164,242.85 = 65,304.27/x
  3. Step 3: Cross multiply
    119,008.89x = 164,242.85 × 65,304.27
  4. Step 4: Simplify right side
    119,008.89x = 10,725,759,095.45
  5. Step 5: Solve for x
    x = 10,725,759,095.45/119,008.89
  6. Step 6: Final answer
    x = 90,125.70

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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.