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Finding the Fourth Proportional to 245,042.92, 367,708.82 and 102,913.13

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Solution

The fourth proportional to 245,042.92, 367,708.82 and 102,913.13 is: 154,430.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,042.92 : 367,708.82 = 102,913.13 : x
  2. Step 2: Convert to fraction form
    245,042.92/367,708.82 = 102,913.13/x
  3. Step 3: Cross multiply
    245,042.92x = 367,708.82 × 102,913.13
  4. Step 4: Simplify right side
    245,042.92x = 37,842,065,999.51
  5. Step 5: Solve for x
    x = 37,842,065,999.51/245,042.92
  6. Step 6: Final answer
    x = 154,430.36

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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.