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Finding the Fourth Proportional to 180,524.98, 249,132.26 and 99,952.51

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Solution

The fourth proportional to 180,524.98, 249,132.26 and 99,952.51 is: 137,938.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,524.98 : 249,132.26 = 99,952.51 : x
  2. Step 2: Convert to fraction form
    180,524.98/249,132.26 = 99,952.51/x
  3. Step 3: Cross multiply
    180,524.98x = 249,132.26 × 99,952.51
  4. Step 4: Simplify right side
    180,524.98x = 24,901,392,963.55
  5. Step 5: Solve for x
    x = 24,901,392,963.55/180,524.98
  6. Step 6: Final answer
    x = 137,938.77

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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.