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Finding the Fourth Proportional to 186,649.68, 257,570.04 and 101,765.04

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Solution

The fourth proportional to 186,649.68, 257,570.04 and 101,765.04 is: 140,432.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,649.68 : 257,570.04 = 101,765.04 : x
  2. Step 2: Convert to fraction form
    186,649.68/257,570.04 = 101,765.04/x
  3. Step 3: Cross multiply
    186,649.68x = 257,570.04 × 101,765.04
  4. Step 4: Simplify right side
    186,649.68x = 26,211,625,423.40
  5. Step 5: Solve for x
    x = 26,211,625,423.40/186,649.68
  6. Step 6: Final answer
    x = 140,432.20

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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.