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Finding the Fourth Proportional to 168,756.60, 253,134.90 and 98,599.80

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Solution

The fourth proportional to 168,756.60, 253,134.90 and 98,599.80 is: 147,899.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,756.60 : 253,134.90 = 98,599.80 : x
  2. Step 2: Convert to fraction form
    168,756.60/253,134.90 = 98,599.80/x
  3. Step 3: Cross multiply
    168,756.60x = 253,134.90 × 98,599.80
  4. Step 4: Simplify right side
    168,756.60x = 24,959,050,513.02
  5. Step 5: Solve for x
    x = 24,959,050,513.02/168,756.60
  6. Step 6: Final answer
    x = 147,899.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.