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Finding the Fourth Proportional to 127,871.70, 191,807.55 and 44,774.10

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Solution

The fourth proportional to 127,871.70, 191,807.55 and 44,774.10 is: 67,161.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,871.70 : 191,807.55 = 44,774.10 : x
  2. Step 2: Convert to fraction form
    127,871.70/191,807.55 = 44,774.10/x
  3. Step 3: Cross multiply
    127,871.70x = 191,807.55 × 44,774.10
  4. Step 4: Simplify right side
    127,871.70x = 8,588,010,424.46
  5. Step 5: Solve for x
    x = 8,588,010,424.46/127,871.70
  6. Step 6: Final answer
    x = 67,161.15

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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.