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Finding the Fourth Proportional to 73,794.12, 101,843.74 and 45,130.55

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Solution

The fourth proportional to 73,794.12, 101,843.74 and 45,130.55 is: 62,284.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,794.12 : 101,843.74 = 45,130.55 : x
  2. Step 2: Convert to fraction form
    73,794.12/101,843.74 = 45,130.55/x
  3. Step 3: Cross multiply
    73,794.12x = 101,843.74 × 45,130.55
  4. Step 4: Simplify right side
    73,794.12x = 4,596,264,000.26
  5. Step 5: Solve for x
    x = 4,596,264,000.26/73,794.12
  6. Step 6: Final answer
    x = 62,284.96

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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.