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Finding the Fourth Proportional to 92,827.92, 128,102.40 and 52,540.96

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Solution

The fourth proportional to 92,827.92, 128,102.40 and 52,540.96 is: 72,506.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,827.92 : 128,102.40 = 52,540.96 : x
  2. Step 2: Convert to fraction form
    92,827.92/128,102.40 = 52,540.96/x
  3. Step 3: Cross multiply
    92,827.92x = 128,102.40 × 52,540.96
  4. Step 4: Simplify right side
    92,827.92x = 6,730,623,074.30
  5. Step 5: Solve for x
    x = 6,730,623,074.30/92,827.92
  6. Step 6: Final answer
    x = 72,506.45

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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.