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Finding the Fourth Proportional to 127,663.46, 191,508.28 and 48,843.98

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Solution

The fourth proportional to 127,663.46, 191,508.28 and 48,843.98 is: 73,270.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,663.46 : 191,508.28 = 48,843.98 : x
  2. Step 2: Convert to fraction form
    127,663.46/191,508.28 = 48,843.98/x
  3. Step 3: Cross multiply
    127,663.46x = 191,508.28 × 48,843.98
  4. Step 4: Simplify right side
    127,663.46x = 9,354,026,598.15
  5. Step 5: Solve for x
    x = 9,354,026,598.15/127,663.46
  6. Step 6: Final answer
    x = 73,270.98

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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.