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Finding the Fourth Proportional to 145,469.40, 200,841.54 and 93,809.59

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Solution

The fourth proportional to 145,469.40, 200,841.54 and 93,809.59 is: 129,517.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,469.40 : 200,841.54 = 93,809.59 : x
  2. Step 2: Convert to fraction form
    145,469.40/200,841.54 = 93,809.59/x
  3. Step 3: Cross multiply
    145,469.40x = 200,841.54 × 93,809.59
  4. Step 4: Simplify right side
    145,469.40x = 18,840,862,522.37
  5. Step 5: Solve for x
    x = 18,840,862,522.37/145,469.40
  6. Step 6: Final answer
    x = 129,517.70

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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.