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Finding the Fourth Proportional to 186,681.76, 257,622 and 101,800.24

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Solution

The fourth proportional to 186,681.76, 257,622 and 101,800.24 is: 140,484.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,681.76 : 257,622 = 101,800.24 : x
  2. Step 2: Convert to fraction form
    186,681.76/257,622 = 101,800.24/x
  3. Step 3: Cross multiply
    186,681.76x = 257,622 × 101,800.24
  4. Step 4: Simplify right side
    186,681.76x = 26,225,981,429.28
  5. Step 5: Solve for x
    x = 26,225,981,429.28/186,681.76
  6. Step 6: Final answer
    x = 140,484.97

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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.