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Finding the Fourth Proportional to 164,951.70, 247,427.55 and 141,332.10

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Solution

The fourth proportional to 164,951.70, 247,427.55 and 141,332.10 is: 211,998.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,951.70 : 247,427.55 = 141,332.10 : x
  2. Step 2: Convert to fraction form
    164,951.70/247,427.55 = 141,332.10/x
  3. Step 3: Cross multiply
    164,951.70x = 247,427.55 × 141,332.10
  4. Step 4: Simplify right side
    164,951.70x = 34,969,455,239.36
  5. Step 5: Solve for x
    x = 34,969,455,239.36/164,951.70
  6. Step 6: Final answer
    x = 211,998.15

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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.