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Finding the Fourth Proportional to 97,456.80, 134,488.93 and 54,436.89

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Solution

The fourth proportional to 97,456.80, 134,488.93 and 54,436.89 is: 75,122.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,456.80 : 134,488.93 = 54,436.89 : x
  2. Step 2: Convert to fraction form
    97,456.80/134,488.93 = 54,436.89/x
  3. Step 3: Cross multiply
    97,456.80x = 134,488.93 × 54,436.89
  4. Step 4: Simplify right side
    97,456.80x = 7,321,158,448.20
  5. Step 5: Solve for x
    x = 7,321,158,448.20/97,456.80
  6. Step 6: Final answer
    x = 75,122.09

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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.