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Finding the Fourth Proportional to 73,446.19, 101,386.74 and 49,605.15

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Solution

The fourth proportional to 73,446.19, 101,386.74 and 49,605.15 is: 68,476.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,446.19 : 101,386.74 = 49,605.15 : x
  2. Step 2: Convert to fraction form
    73,446.19/101,386.74 = 49,605.15/x
  3. Step 3: Cross multiply
    73,446.19x = 101,386.74 × 49,605.15
  4. Step 4: Simplify right side
    73,446.19x = 5,029,304,821.83
  5. Step 5: Solve for x
    x = 5,029,304,821.83/73,446.19
  6. Step 6: Final answer
    x = 68,476.05

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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.