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Finding the Fourth Proportional to 248,952.60, 343,541.10 and 141,507.72

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Solution

The fourth proportional to 248,952.60, 343,541.10 and 141,507.72 is: 195,272.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,952.60 : 343,541.10 = 141,507.72 : x
  2. Step 2: Convert to fraction form
    248,952.60/343,541.10 = 141,507.72/x
  3. Step 3: Cross multiply
    248,952.60x = 343,541.10 × 141,507.72
  4. Step 4: Simplify right side
    248,952.60x = 48,613,717,787.29
  5. Step 5: Solve for x
    x = 48,613,717,787.29/248,952.60
  6. Step 6: Final answer
    x = 195,272.99

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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.