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Finding the Fourth Proportional to 127,663.82, 191,520.93 and 37,708.06

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Solution

The fourth proportional to 127,663.82, 191,520.93 and 37,708.06 is: 56,569.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,663.82 : 191,520.93 = 37,708.06 : x
  2. Step 2: Convert to fraction form
    127,663.82/191,520.93 = 37,708.06/x
  3. Step 3: Cross multiply
    127,663.82x = 191,520.93 × 37,708.06
  4. Step 4: Simplify right side
    127,663.82x = 7,221,882,719.70
  5. Step 5: Solve for x
    x = 7,221,882,719.70/127,663.82
  6. Step 6: Final answer
    x = 56,569.53

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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.