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Finding the Fourth Proportional to 114,989.92, 158,684.88 and 64,001.88

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Solution

The fourth proportional to 114,989.92, 158,684.88 and 64,001.88 is: 88,321.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,989.92 : 158,684.88 = 64,001.88 : x
  2. Step 2: Convert to fraction form
    114,989.92/158,684.88 = 64,001.88/x
  3. Step 3: Cross multiply
    114,989.92x = 158,684.88 × 64,001.88
  4. Step 4: Simplify right side
    114,989.92x = 10,156,130,647.57
  5. Step 5: Solve for x
    x = 10,156,130,647.57/114,989.92
  6. Step 6: Final answer
    x = 88,321.92

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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.