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Finding the Fourth Proportional to 92,357.01, 127,557.80 and 62,089.78

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Solution

The fourth proportional to 92,357.01, 127,557.80 and 62,089.78 is: 85,754.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,357.01 : 127,557.80 = 62,089.78 : x
  2. Step 2: Convert to fraction form
    92,357.01/127,557.80 = 62,089.78/x
  3. Step 3: Cross multiply
    92,357.01x = 127,557.80 × 62,089.78
  4. Step 4: Simplify right side
    92,357.01x = 7,920,036,297.09
  5. Step 5: Solve for x
    x = 7,920,036,297.09/92,357.01
  6. Step 6: Final answer
    x = 85,754.58

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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.