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Finding the Fourth Proportional to 73,304.48, 101,160.80 and 39,770.72

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Solution

The fourth proportional to 73,304.48, 101,160.80 and 39,770.72 is: 54,883.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,304.48 : 101,160.80 = 39,770.72 : x
  2. Step 2: Convert to fraction form
    73,304.48/101,160.80 = 39,770.72/x
  3. Step 3: Cross multiply
    73,304.48x = 101,160.80 × 39,770.72
  4. Step 4: Simplify right side
    73,304.48x = 4,023,237,851.78
  5. Step 5: Solve for x
    x = 4,023,237,851.78/73,304.48
  6. Step 6: Final answer
    x = 54,883.93

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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.