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Finding the Fourth Proportional to 92,079.72, 127,069.32 and 52,335.72

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Solution

The fourth proportional to 92,079.72, 127,069.32 and 52,335.72 is: 72,222.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,079.72 : 127,069.32 = 52,335.72 : x
  2. Step 2: Convert to fraction form
    92,079.72/127,069.32 = 52,335.72/x
  3. Step 3: Cross multiply
    92,079.72x = 127,069.32 × 52,335.72
  4. Step 4: Simplify right side
    92,079.72x = 6,650,264,352.11
  5. Step 5: Solve for x
    x = 6,650,264,352.11/92,079.72
  6. Step 6: Final answer
    x = 72,222.90

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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.