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Finding the Fourth Proportional to 73,794.38, 101,844.08 and 45,130.80

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Solution

The fourth proportional to 73,794.38, 101,844.08 and 45,130.80 is: 62,285.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,794.38 : 101,844.08 = 45,130.80 : x
  2. Step 2: Convert to fraction form
    73,794.38/101,844.08 = 45,130.80/x
  3. Step 3: Cross multiply
    73,794.38x = 101,844.08 × 45,130.80
  4. Step 4: Simplify right side
    73,794.38x = 4,596,304,580.01
  5. Step 5: Solve for x
    x = 4,596,304,580.01/73,794.38
  6. Step 6: Final answer
    x = 62,285.30

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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.