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Finding the Fourth Proportional to 180,562.73, 249,173.49 and 99,988.52

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Solution

The fourth proportional to 180,562.73, 249,173.49 and 99,988.52 is: 137,982.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,562.73 : 249,173.49 = 99,988.52 : x
  2. Step 2: Convert to fraction form
    180,562.73/249,173.49 = 99,988.52/x
  3. Step 3: Cross multiply
    180,562.73x = 249,173.49 × 99,988.52
  4. Step 4: Simplify right side
    180,562.73x = 24,914,488,488.33
  5. Step 5: Solve for x
    x = 24,914,488,488.33/180,562.73
  6. Step 6: Final answer
    x = 137,982.45

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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.