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Finding the Fourth Proportional to 185,963.13, 256,630.05 and 101,080.17

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Solution

The fourth proportional to 185,963.13, 256,630.05 and 101,080.17 is: 139,491.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,963.13 : 256,630.05 = 101,080.17 : x
  2. Step 2: Convert to fraction form
    185,963.13/256,630.05 = 101,080.17/x
  3. Step 3: Cross multiply
    185,963.13x = 256,630.05 × 101,080.17
  4. Step 4: Simplify right side
    185,963.13x = 25,940,209,081.11
  5. Step 5: Solve for x
    x = 25,940,209,081.11/185,963.13
  6. Step 6: Final answer
    x = 139,491.14

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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.