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Finding the Fourth Proportional to 92,275.68, 127,340.88 and 51,990.08

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Solution

The fourth proportional to 92,275.68, 127,340.88 and 51,990.08 is: 71,746.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,275.68 : 127,340.88 = 51,990.08 : x
  2. Step 2: Convert to fraction form
    92,275.68/127,340.88 = 51,990.08/x
  3. Step 3: Cross multiply
    92,275.68x = 127,340.88 × 51,990.08
  4. Step 4: Simplify right side
    92,275.68x = 6,620,462,538.47
  5. Step 5: Solve for x
    x = 6,620,462,538.47/92,275.68
  6. Step 6: Final answer
    x = 71,746.56

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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.