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Finding the Fourth Proportional to 84,752.78, 127,079.95 and 32,133.56

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Solution

The fourth proportional to 84,752.78, 127,079.95 and 32,133.56 is: 48,181.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,752.78 : 127,079.95 = 32,133.56 : x
  2. Step 2: Convert to fraction form
    84,752.78/127,079.95 = 32,133.56/x
  3. Step 3: Cross multiply
    84,752.78x = 127,079.95 × 32,133.56
  4. Step 4: Simplify right side
    84,752.78x = 4,083,531,495.74
  5. Step 5: Solve for x
    x = 4,083,531,495.74/84,752.78
  6. Step 6: Final answer
    x = 48,181.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.