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Finding the Fourth Proportional to 83,473.88, 115,193.95 and 45,748.13

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Solution

The fourth proportional to 83,473.88, 115,193.95 and 45,748.13 is: 63,132.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,473.88 : 115,193.95 = 45,748.13 : x
  2. Step 2: Convert to fraction form
    83,473.88/115,193.95 = 45,748.13/x
  3. Step 3: Cross multiply
    83,473.88x = 115,193.95 × 45,748.13
  4. Step 4: Simplify right side
    83,473.88x = 5,269,907,109.47
  5. Step 5: Solve for x
    x = 5,269,907,109.47/83,473.88
  6. Step 6: Final answer
    x = 63,132.41

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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.