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Finding the Fourth Proportional to 247,858.48, 342,044.06 and 134,681.24

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Solution

The fourth proportional to 247,858.48, 342,044.06 and 134,681.24 is: 185,859.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,858.48 : 342,044.06 = 134,681.24 : x
  2. Step 2: Convert to fraction form
    247,858.48/342,044.06 = 134,681.24/x
  3. Step 3: Cross multiply
    247,858.48x = 342,044.06 × 134,681.24
  4. Step 4: Simplify right side
    247,858.48x = 46,066,918,135.43
  5. Step 5: Solve for x
    x = 46,066,918,135.43/247,858.48
  6. Step 6: Final answer
    x = 185,859.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.