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Finding the Fourth Proportional to 127,342.34, 191,013.30 and 33,848.10

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Solution

The fourth proportional to 127,342.34, 191,013.30 and 33,848.10 is: 50,772.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,342.34 : 191,013.30 = 33,848.10 : x
  2. Step 2: Convert to fraction form
    127,342.34/191,013.30 = 33,848.10/x
  3. Step 3: Cross multiply
    127,342.34x = 191,013.30 × 33,848.10
  4. Step 4: Simplify right side
    127,342.34x = 6,465,437,279.73
  5. Step 5: Solve for x
    x = 6,465,437,279.73/127,342.34
  6. Step 6: Final answer
    x = 50,772.09

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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.