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Finding the Fourth Proportional to 282,001.67, 423,113.27 and 124,119.44

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Solution

The fourth proportional to 282,001.67, 423,113.27 and 124,119.44 is: 186,227.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,001.67 : 423,113.27 = 124,119.44 : x
  2. Step 2: Convert to fraction form
    282,001.67/423,113.27 = 124,119.44/x
  3. Step 3: Cross multiply
    282,001.67x = 423,113.27 × 124,119.44
  4. Step 4: Simplify right side
    282,001.67x = 52,516,579,392.81
  5. Step 5: Solve for x
    x = 52,516,579,392.81/282,001.67
  6. Step 6: Final answer
    x = 186,227.91

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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.