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Finding the Fourth Proportional to 114,718.44, 158,294.34 and 64,407.72

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Solution

The fourth proportional to 114,718.44, 158,294.34 and 64,407.72 is: 88,873.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,718.44 : 158,294.34 = 64,407.72 : x
  2. Step 2: Convert to fraction form
    114,718.44/158,294.34 = 64,407.72/x
  3. Step 3: Cross multiply
    114,718.44x = 158,294.34 × 64,407.72
  4. Step 4: Simplify right side
    114,718.44x = 10,195,377,528.30
  5. Step 5: Solve for x
    x = 10,195,377,528.30/114,718.44
  6. Step 6: Final answer
    x = 88,873.05

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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.