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Finding the Fourth Proportional to 247,952.76, 342,173.16 and 134,775.51

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Solution

The fourth proportional to 247,952.76, 342,173.16 and 134,775.51 is: 185,989.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,952.76 : 342,173.16 = 134,775.51 : x
  2. Step 2: Convert to fraction form
    247,952.76/342,173.16 = 134,775.51/x
  3. Step 3: Cross multiply
    247,952.76x = 342,173.16 × 134,775.51
  4. Step 4: Simplify right side
    247,952.76x = 46,116,562,147.31
  5. Step 5: Solve for x
    x = 46,116,562,147.31/247,952.76
  6. Step 6: Final answer
    x = 185,989.31

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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.