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Finding the Fourth Proportional to 92,143.75, 127,162.47 and 51,860.12

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Solution

The fourth proportional to 92,143.75, 127,162.47 and 51,860.12 is: 71,569.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,143.75 : 127,162.47 = 51,860.12 : x
  2. Step 2: Convert to fraction form
    92,143.75/127,162.47 = 51,860.12/x
  3. Step 3: Cross multiply
    92,143.75x = 127,162.47 × 51,860.12
  4. Step 4: Simplify right side
    92,143.75x = 6,594,661,366.51
  5. Step 5: Solve for x
    x = 6,594,661,366.51/92,143.75
  6. Step 6: Final answer
    x = 71,569.27

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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.