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Finding the Fourth Proportional to 131,709.71, 197,557.62 and 36,946.46

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Solution

The fourth proportional to 131,709.71, 197,557.62 and 36,946.46 is: 55,417.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,709.71 : 197,557.62 = 36,946.46 : x
  2. Step 2: Convert to fraction form
    131,709.71/197,557.62 = 36,946.46/x
  3. Step 3: Cross multiply
    131,709.71x = 197,557.62 × 36,946.46
  4. Step 4: Simplify right side
    131,709.71x = 7,299,053,717.24
  5. Step 5: Solve for x
    x = 7,299,053,717.24/131,709.71
  6. Step 6: Final answer
    x = 55,417.74

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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.