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Finding the Fourth Proportional to 180,526.88, 249,134.87 and 99,954.39

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Solution

The fourth proportional to 180,526.88, 249,134.87 and 99,954.39 is: 137,941.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,526.88 : 249,134.87 = 99,954.39 : x
  2. Step 2: Convert to fraction form
    180,526.88/249,134.87 = 99,954.39/x
  3. Step 3: Cross multiply
    180,526.88x = 249,134.87 × 99,954.39
  4. Step 4: Simplify right side
    180,526.88x = 24,902,125,142.72
  5. Step 5: Solve for x
    x = 24,902,125,142.72/180,526.88
  6. Step 6: Final answer
    x = 137,941.37

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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.