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Finding the Fourth Proportional to 92,218.20, 127,262.52 and 56,400.54

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Solution

The fourth proportional to 92,218.20, 127,262.52 and 56,400.54 is: 77,833.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,218.20 : 127,262.52 = 56,400.54 : x
  2. Step 2: Convert to fraction form
    92,218.20/127,262.52 = 56,400.54/x
  3. Step 3: Cross multiply
    92,218.20x = 127,262.52 × 56,400.54
  4. Step 4: Simplify right side
    92,218.20x = 7,177,674,849.76
  5. Step 5: Solve for x
    x = 7,177,674,849.76/92,218.20
  6. Step 6: Final answer
    x = 77,833.60

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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.