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Finding the Fourth Proportional to 248,800.64, 343,332.48 and 141,356.48

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Solution

The fourth proportional to 248,800.64, 343,332.48 and 141,356.48 is: 195,064.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,800.64 : 343,332.48 = 141,356.48 : x
  2. Step 2: Convert to fraction form
    248,800.64/343,332.48 = 141,356.48/x
  3. Step 3: Cross multiply
    248,800.64x = 343,332.48 × 141,356.48
  4. Step 4: Simplify right side
    248,800.64x = 48,532,270,842.47
  5. Step 5: Solve for x
    x = 48,532,270,842.47/248,800.64
  6. Step 6: Final answer
    x = 195,064.90

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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.