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Finding the Fourth Proportional to 244,498.71, 366,627.10 and 86,703.51

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Solution

The fourth proportional to 244,498.71, 366,627.10 and 86,703.51 is: 130,012.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,498.71 : 366,627.10 = 86,703.51 : x
  2. Step 2: Convert to fraction form
    244,498.71/366,627.10 = 86,703.51/x
  3. Step 3: Cross multiply
    244,498.71x = 366,627.10 × 86,703.51
  4. Step 4: Simplify right side
    244,498.71x = 31,787,854,381.23
  5. Step 5: Solve for x
    x = 31,787,854,381.23/244,498.71
  6. Step 6: Final answer
    x = 130,012.36

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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.