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Finding the Fourth Proportional to 136,248.17, 204,076.87 and 65,980.13

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Solution

The fourth proportional to 136,248.17, 204,076.87 and 65,980.13 is: 98,827.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,248.17 : 204,076.87 = 65,980.13 : x
  2. Step 2: Convert to fraction form
    136,248.17/204,076.87 = 65,980.13/x
  3. Step 3: Cross multiply
    136,248.17x = 204,076.87 × 65,980.13
  4. Step 4: Simplify right side
    136,248.17x = 13,465,017,227.26
  5. Step 5: Solve for x
    x = 13,465,017,227.26/136,248.17
  6. Step 6: Final answer
    x = 98,827.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.