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Finding the Fourth Proportional to 233,881.11, 350,818.56 and 56,386.70

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Solution

The fourth proportional to 233,881.11, 350,818.56 and 56,386.70 is: 84,579.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,881.11 : 350,818.56 = 56,386.70 : x
  2. Step 2: Convert to fraction form
    233,881.11/350,818.56 = 56,386.70/x
  3. Step 3: Cross multiply
    233,881.11x = 350,818.56 × 56,386.70
  4. Step 4: Simplify right side
    233,881.11x = 19,781,499,143.06
  5. Step 5: Solve for x
    x = 19,781,499,143.06/233,881.11
  6. Step 6: Final answer
    x = 84,579.29

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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.