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Finding the Fourth Proportional to 234,979.40, 352,526.51 and 75,055.39

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Solution

The fourth proportional to 234,979.40, 352,526.51 and 75,055.39 is: 112,601.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,979.40 : 352,526.51 = 75,055.39 : x
  2. Step 2: Convert to fraction form
    234,979.40/352,526.51 = 75,055.39/x
  3. Step 3: Cross multiply
    234,979.40x = 352,526.51 × 75,055.39
  4. Step 4: Simplify right side
    234,979.40x = 26,459,013,999.71
  5. Step 5: Solve for x
    x = 26,459,013,999.71/234,979.40
  6. Step 6: Final answer
    x = 112,601.42

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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.