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Finding the Fourth Proportional to 73,842.18, 101,895.21 and 45,542.40

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Solution

The fourth proportional to 73,842.18, 101,895.21 and 45,542.40 is: 62,844.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,842.18 : 101,895.21 = 45,542.40 : x
  2. Step 2: Convert to fraction form
    73,842.18/101,895.21 = 45,542.40/x
  3. Step 3: Cross multiply
    73,842.18x = 101,895.21 × 45,542.40
  4. Step 4: Simplify right side
    73,842.18x = 4,640,552,411.90
  5. Step 5: Solve for x
    x = 4,640,552,411.90/73,842.18
  6. Step 6: Final answer
    x = 62,844.20

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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.