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Finding the Fourth Proportional to 180,462.26, 249,015.97 and 99,884.88

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Solution

The fourth proportional to 180,462.26, 249,015.97 and 99,884.88 is: 137,828.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,462.26 : 249,015.97 = 99,884.88 : x
  2. Step 2: Convert to fraction form
    180,462.26/249,015.97 = 99,884.88/x
  3. Step 3: Cross multiply
    180,462.26x = 249,015.97 × 99,884.88
  4. Step 4: Simplify right side
    180,462.26x = 24,872,930,406.39
  5. Step 5: Solve for x
    x = 24,872,930,406.39/180,462.26
  6. Step 6: Final answer
    x = 137,828.98

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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.