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Finding the Fourth Proportional to 98,889.60, 148,348.80 and 32,332.80

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Solution

The fourth proportional to 98,889.60, 148,348.80 and 32,332.80 is: 48,503.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,889.60 : 148,348.80 = 32,332.80 : x
  2. Step 2: Convert to fraction form
    98,889.60/148,348.80 = 32,332.80/x
  3. Step 3: Cross multiply
    98,889.60x = 148,348.80 × 32,332.80
  4. Step 4: Simplify right side
    98,889.60x = 4,796,532,080.64
  5. Step 5: Solve for x
    x = 4,796,532,080.64/98,889.60
  6. Step 6: Final answer
    x = 48,503.91

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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.