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Finding the Fourth Proportional to 92,369.99, 127,472.01 and 54,120.39

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Solution

The fourth proportional to 92,369.99, 127,472.01 and 54,120.39 is: 74,686.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,369.99 : 127,472.01 = 54,120.39 : x
  2. Step 2: Convert to fraction form
    92,369.99/127,472.01 = 54,120.39/x
  3. Step 3: Cross multiply
    92,369.99x = 127,472.01 × 54,120.39
  4. Step 4: Simplify right side
    92,369.99x = 6,898,833,987.32
  5. Step 5: Solve for x
    x = 6,898,833,987.32/92,369.99
  6. Step 6: Final answer
    x = 74,686.96

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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.