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Finding the Fourth Proportional to 180,620.50, 249,253.46 and 98,948.10

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Solution

The fourth proportional to 180,620.50, 249,253.46 and 98,948.10 is: 136,546.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,620.50 : 249,253.46 = 98,948.10 : x
  2. Step 2: Convert to fraction form
    180,620.50/249,253.46 = 98,948.10/x
  3. Step 3: Cross multiply
    180,620.50x = 249,253.46 × 98,948.10
  4. Step 4: Simplify right side
    180,620.50x = 24,663,156,285.43
  5. Step 5: Solve for x
    x = 24,663,156,285.43/180,620.50
  6. Step 6: Final answer
    x = 136,546.83

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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.