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Finding the Fourth Proportional to 83,262.80, 124,793.56 and 48,130.16

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Solution

The fourth proportional to 83,262.80, 124,793.56 and 48,130.16 is: 72,137.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,262.80 : 124,793.56 = 48,130.16 : x
  2. Step 2: Convert to fraction form
    83,262.80/124,793.56 = 48,130.16/x
  3. Step 3: Cross multiply
    83,262.80x = 124,793.56 × 48,130.16
  4. Step 4: Simplify right side
    83,262.80x = 6,006,334,009.77
  5. Step 5: Solve for x
    x = 6,006,334,009.77/83,262.80
  6. Step 6: Final answer
    x = 72,137.06

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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.