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Finding the Fourth Proportional to 92,365.52, 127,405.32 and 64,060.88

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Solution

The fourth proportional to 92,365.52, 127,405.32 and 64,060.88 is: 88,363.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,365.52 : 127,405.32 = 64,060.88 : x
  2. Step 2: Convert to fraction form
    92,365.52/127,405.32 = 64,060.88/x
  3. Step 3: Cross multiply
    92,365.52x = 127,405.32 × 64,060.88
  4. Step 4: Simplify right side
    92,365.52x = 8,161,696,915.88
  5. Step 5: Solve for x
    x = 8,161,696,915.88/92,365.52
  6. Step 6: Final answer
    x = 88,363.03

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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.