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Finding the Fourth Proportional to 92,074.55, 127,043.80 and 53,826.71

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Solution

The fourth proportional to 92,074.55, 127,043.80 and 53,826.71 is: 74,269.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,074.55 : 127,043.80 = 53,826.71 : x
  2. Step 2: Convert to fraction form
    92,074.55/127,043.80 = 53,826.71/x
  3. Step 3: Cross multiply
    92,074.55x = 127,043.80 × 53,826.71
  4. Step 4: Simplify right side
    92,074.55x = 6,838,349,010.11
  5. Step 5: Solve for x
    x = 6,838,349,010.11/92,074.55
  6. Step 6: Final answer
    x = 74,269.70

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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.