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Finding the Fourth Proportional to 180,449.44, 249,020.72 and 99,882.52

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Solution

The fourth proportional to 180,449.44, 249,020.72 and 99,882.52 is: 137,838.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,449.44 : 249,020.72 = 99,882.52 : x
  2. Step 2: Convert to fraction form
    180,449.44/249,020.72 = 99,882.52/x
  3. Step 3: Cross multiply
    180,449.44x = 249,020.72 × 99,882.52
  4. Step 4: Simplify right side
    180,449.44x = 24,872,817,045.81
  5. Step 5: Solve for x
    x = 24,872,817,045.81/180,449.44
  6. Step 6: Final answer
    x = 137,838.15

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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.