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Finding the Fourth Proportional to 121,663.17, 182,495.19 and 37,422.77

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Solution

The fourth proportional to 121,663.17, 182,495.19 and 37,422.77 is: 56,134.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,663.17 : 182,495.19 = 37,422.77 : x
  2. Step 2: Convert to fraction form
    121,663.17/182,495.19 = 37,422.77/x
  3. Step 3: Cross multiply
    121,663.17x = 182,495.19 × 37,422.77
  4. Step 4: Simplify right side
    121,663.17x = 6,829,475,293.36
  5. Step 5: Solve for x
    x = 6,829,475,293.36/121,663.17
  6. Step 6: Final answer
    x = 56,134.29

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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.