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Finding the Fourth Proportional to 109,483.97, 151,087.97 and 64,152.92

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Solution

The fourth proportional to 109,483.97, 151,087.97 and 64,152.92 is: 88,531.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,483.97 : 151,087.97 = 64,152.92 : x
  2. Step 2: Convert to fraction form
    109,483.97/151,087.97 = 64,152.92/x
  3. Step 3: Cross multiply
    109,483.97x = 151,087.97 × 64,152.92
  4. Step 4: Simplify right side
    109,483.97x = 9,692,734,990.47
  5. Step 5: Solve for x
    x = 9,692,734,990.47/109,483.97
  6. Step 6: Final answer
    x = 88,531.09

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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.