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Finding the Fourth Proportional to 180,523.68, 249,130.46 and 99,951.20

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Solution

The fourth proportional to 180,523.68, 249,130.46 and 99,951.20 is: 137,936.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,523.68 : 249,130.46 = 99,951.20 : x
  2. Step 2: Convert to fraction form
    180,523.68/249,130.46 = 99,951.20/x
  3. Step 3: Cross multiply
    180,523.68x = 249,130.46 × 99,951.20
  4. Step 4: Simplify right side
    180,523.68x = 24,900,887,933.80
  5. Step 5: Solve for x
    x = 24,900,887,933.80/180,523.68
  6. Step 6: Final answer
    x = 137,936.97

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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.