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Finding the Fourth Proportional to 92,118.48, 127,138.83 and 53,350.71

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Solution

The fourth proportional to 92,118.48, 127,138.83 and 53,350.71 is: 73,632.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,118.48 : 127,138.83 = 53,350.71 : x
  2. Step 2: Convert to fraction form
    92,118.48/127,138.83 = 53,350.71/x
  3. Step 3: Cross multiply
    92,118.48x = 127,138.83 × 53,350.71
  4. Step 4: Simplify right side
    92,118.48x = 6,782,946,849.07
  5. Step 5: Solve for x
    x = 6,782,946,849.07/92,118.48
  6. Step 6: Final answer
    x = 73,632.86

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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.