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Finding the Fourth Proportional to 186,691.03, 257,631.33 and 101,806.27

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Solution

The fourth proportional to 186,691.03, 257,631.33 and 101,806.27 is: 140,491.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,691.03 : 257,631.33 = 101,806.27 : x
  2. Step 2: Convert to fraction form
    186,691.03/257,631.33 = 101,806.27/x
  3. Step 3: Cross multiply
    186,691.03x = 257,631.33 × 101,806.27
  4. Step 4: Simplify right side
    186,691.03x = 26,228,484,480.13
  5. Step 5: Solve for x
    x = 26,228,484,480.13/186,691.03
  6. Step 6: Final answer
    x = 140,491.40

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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.