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Finding the Fourth Proportional to 79,506, 109,718.28 and 45,974.16

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Solution

The fourth proportional to 79,506, 109,718.28 and 45,974.16 is: 63,444.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,506 : 109,718.28 = 45,974.16 : x
  2. Step 2: Convert to fraction form
    79,506/109,718.28 = 45,974.16/x
  3. Step 3: Cross multiply
    79,506x = 109,718.28 × 45,974.16
  4. Step 4: Simplify right side
    79,506x = 5,044,205,759.64
  5. Step 5: Solve for x
    x = 5,044,205,759.64/79,506
  6. Step 6: Final answer
    x = 63,444.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.