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Finding the Fourth Proportional to 92,003.55, 138,005.33 and 92,003.55

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Solution

The fourth proportional to 92,003.55, 138,005.33 and 92,003.55 is: 138,005.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,003.55 : 138,005.33 = 92,003.55 : x
  2. Step 2: Convert to fraction form
    92,003.55/138,005.33 = 92,003.55/x
  3. Step 3: Cross multiply
    92,003.55x = 138,005.33 × 92,003.55
  4. Step 4: Simplify right side
    92,003.55x = 12,696,979,818.90
  5. Step 5: Solve for x
    x = 12,696,979,818.90/92,003.55
  6. Step 6: Final answer
    x = 138,005.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.