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Finding the Fourth Proportional to 75,503.64, 104,179.70 and 43,660.92

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Solution

The fourth proportional to 75,503.64, 104,179.70 and 43,660.92 is: 60,243.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,503.64 : 104,179.70 = 43,660.92 : x
  2. Step 2: Convert to fraction form
    75,503.64/104,179.70 = 43,660.92/x
  3. Step 3: Cross multiply
    75,503.64x = 104,179.70 × 43,660.92
  4. Step 4: Simplify right side
    75,503.64x = 4,548,581,547.32
  5. Step 5: Solve for x
    x = 4,548,581,547.32/75,503.64
  6. Step 6: Final answer
    x = 60,243.21

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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.