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Finding the Fourth Proportional to 153,793.60, 230,689.01 and 48,612.60

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Solution

The fourth proportional to 153,793.60, 230,689.01 and 48,612.60 is: 72,918.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,793.60 : 230,689.01 = 48,612.60 : x
  2. Step 2: Convert to fraction form
    153,793.60/230,689.01 = 48,612.60/x
  3. Step 3: Cross multiply
    153,793.60x = 230,689.01 × 48,612.60
  4. Step 4: Simplify right side
    153,793.60x = 11,214,392,689.06
  5. Step 5: Solve for x
    x = 11,214,392,689.06/153,793.60
  6. Step 6: Final answer
    x = 72,918.46

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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.