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Finding the Fourth Proportional to 73,754, 101,788.20 and 45,458.96

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Solution

The fourth proportional to 73,754, 101,788.20 and 45,458.96 is: 62,738.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,754 : 101,788.20 = 45,458.96 : x
  2. Step 2: Convert to fraction form
    73,754/101,788.20 = 45,458.96/x
  3. Step 3: Cross multiply
    73,754x = 101,788.20 × 45,458.96
  4. Step 4: Simplify right side
    73,754x = 4,627,185,712.27
  5. Step 5: Solve for x
    x = 4,627,185,712.27/73,754
  6. Step 6: Final answer
    x = 62,738.10

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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.