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Finding the Fourth Proportional to 92,538.06, 127,693.06 and 53,769.84

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Solution

The fourth proportional to 92,538.06, 127,693.06 and 53,769.84 is: 74,196.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,538.06 : 127,693.06 = 53,769.84 : x
  2. Step 2: Convert to fraction form
    92,538.06/127,693.06 = 53,769.84/x
  3. Step 3: Cross multiply
    92,538.06x = 127,693.06 × 53,769.84
  4. Step 4: Simplify right side
    92,538.06x = 6,866,035,510.31
  5. Step 5: Solve for x
    x = 6,866,035,510.31/92,538.06
  6. Step 6: Final answer
    x = 74,196.88

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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.