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Finding the Fourth Proportional to 186,684.76, 257,626.14 and 101,803.24

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Solution

The fourth proportional to 186,684.76, 257,626.14 and 101,803.24 is: 140,489.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,684.76 : 257,626.14 = 101,803.24 : x
  2. Step 2: Convert to fraction form
    186,684.76/257,626.14 = 101,803.24/x
  3. Step 3: Cross multiply
    186,684.76x = 257,626.14 × 101,803.24
  4. Step 4: Simplify right side
    186,684.76x = 26,227,175,760.69
  5. Step 5: Solve for x
    x = 26,227,175,760.69/186,684.76
  6. Step 6: Final answer
    x = 140,489.11

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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.