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Finding the Fourth Proportional to 92,117.12, 127,114.72 and 51,823.08

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Solution

The fourth proportional to 92,117.12, 127,114.72 and 51,823.08 is: 71,511.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,117.12 : 127,114.72 = 51,823.08 : x
  2. Step 2: Convert to fraction form
    92,117.12/127,114.72 = 51,823.08/x
  3. Step 3: Cross multiply
    92,117.12x = 127,114.72 × 51,823.08
  4. Step 4: Simplify right side
    92,117.12x = 6,587,476,174.18
  5. Step 5: Solve for x
    x = 6,587,476,174.18/92,117.12
  6. Step 6: Final answer
    x = 71,511.97

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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.