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Finding the Fourth Proportional to 116,279.40, 160,463.53 and 65,292.53

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Solution

The fourth proportional to 116,279.40, 160,463.53 and 65,292.53 is: 90,102.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,279.40 : 160,463.53 = 65,292.53 : x
  2. Step 2: Convert to fraction form
    116,279.40/160,463.53 = 65,292.53/x
  3. Step 3: Cross multiply
    116,279.40x = 160,463.53 × 65,292.53
  4. Step 4: Simplify right side
    116,279.40x = 10,477,070,084.36
  5. Step 5: Solve for x
    x = 10,477,070,084.36/116,279.40
  6. Step 6: Final answer
    x = 90,102.55

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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.