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Finding the Fourth Proportional to 180,503.55, 249,096.84 and 99,932.31

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Solution

The fourth proportional to 180,503.55, 249,096.84 and 99,932.31 is: 137,907.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,503.55 : 249,096.84 = 99,932.31 : x
  2. Step 2: Convert to fraction form
    180,503.55/249,096.84 = 99,932.31/x
  3. Step 3: Cross multiply
    180,503.55x = 249,096.84 × 99,932.31
  4. Step 4: Simplify right side
    180,503.55x = 24,892,822,634.90
  5. Step 5: Solve for x
    x = 24,892,822,634.90/180,503.55
  6. Step 6: Final answer
    x = 137,907.66

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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.