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Finding the Fourth Proportional to 92,751.49, 127,900.24 and 55,018.45

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Solution

The fourth proportional to 92,751.49, 127,900.24 and 55,018.45 is: 75,868.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,751.49 : 127,900.24 = 55,018.45 : x
  2. Step 2: Convert to fraction form
    92,751.49/127,900.24 = 55,018.45/x
  3. Step 3: Cross multiply
    92,751.49x = 127,900.24 × 55,018.45
  4. Step 4: Simplify right side
    92,751.49x = 7,036,872,959.43
  5. Step 5: Solve for x
    x = 7,036,872,959.43/92,751.49
  6. Step 6: Final answer
    x = 75,868.03

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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.