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Finding the Fourth Proportional to 92,111.66, 127,113.85 and 51,825.46

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Solution

The fourth proportional to 92,111.66, 127,113.85 and 51,825.46 is: 71,519.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,111.66 : 127,113.85 = 51,825.46 : x
  2. Step 2: Convert to fraction form
    92,111.66/127,113.85 = 51,825.46/x
  3. Step 3: Cross multiply
    92,111.66x = 127,113.85 × 51,825.46
  4. Step 4: Simplify right side
    92,111.66x = 6,587,734,323.16
  5. Step 5: Solve for x
    x = 6,587,734,323.16/92,111.66
  6. Step 6: Final answer
    x = 71,519.01

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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.