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Finding the Fourth Proportional to 71,844.13, 99,203.07 and 46,363.15

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Solution

The fourth proportional to 71,844.13, 99,203.07 and 46,363.15 is: 64,018.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,844.13 : 99,203.07 = 46,363.15 : x
  2. Step 2: Convert to fraction form
    71,844.13/99,203.07 = 46,363.15/x
  3. Step 3: Cross multiply
    71,844.13x = 99,203.07 × 46,363.15
  4. Step 4: Simplify right side
    71,844.13x = 4,599,366,814.87
  5. Step 5: Solve for x
    x = 4,599,366,814.87/71,844.13
  6. Step 6: Final answer
    x = 64,018.69

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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.