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Finding the Fourth Proportional to 243,570.76, 365,392.59 and 75,077.08

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Solution

The fourth proportional to 243,570.76, 365,392.59 and 75,077.08 is: 112,626.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,570.76 : 365,392.59 = 75,077.08 : x
  2. Step 2: Convert to fraction form
    243,570.76/365,392.59 = 75,077.08/x
  3. Step 3: Cross multiply
    243,570.76x = 365,392.59 × 75,077.08
  4. Step 4: Simplify right side
    243,570.76x = 27,432,608,710.84
  5. Step 5: Solve for x
    x = 27,432,608,710.84/243,570.76
  6. Step 6: Final answer
    x = 112,626.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.