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Finding the Fourth Proportional to 114,697, 158,281.86 and 64,397.08

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Solution

The fourth proportional to 114,697, 158,281.86 and 64,397.08 is: 88,867.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,697 : 158,281.86 = 64,397.08 : x
  2. Step 2: Convert to fraction form
    114,697/158,281.86 = 64,397.08/x
  3. Step 3: Cross multiply
    114,697x = 158,281.86 × 64,397.08
  4. Step 4: Simplify right side
    114,697x = 10,192,889,600.97
  5. Step 5: Solve for x
    x = 10,192,889,600.97/114,697
  6. Step 6: Final answer
    x = 88,867.97

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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.