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Finding the Fourth Proportional to 92,602.68, 127,769.58 and 54,870.36

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Solution

The fourth proportional to 92,602.68, 127,769.58 and 54,870.36 is: 75,707.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,602.68 : 127,769.58 = 54,870.36 : x
  2. Step 2: Convert to fraction form
    92,602.68/127,769.58 = 54,870.36/x
  3. Step 3: Cross multiply
    92,602.68x = 127,769.58 × 54,870.36
  4. Step 4: Simplify right side
    92,602.68x = 7,010,762,851.65
  5. Step 5: Solve for x
    x = 7,010,762,851.65/92,602.68
  6. Step 6: Final answer
    x = 75,707.99

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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.