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Finding the Fourth Proportional to 248,462.64, 342,880.56 and 141,032.88

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Solution

The fourth proportional to 248,462.64, 342,880.56 and 141,032.88 is: 194,626.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,462.64 : 342,880.56 = 141,032.88 : x
  2. Step 2: Convert to fraction form
    248,462.64/342,880.56 = 141,032.88/x
  3. Step 3: Cross multiply
    248,462.64x = 342,880.56 × 141,032.88
  4. Step 4: Simplify right side
    248,462.64x = 48,357,432,872.81
  5. Step 5: Solve for x
    x = 48,357,432,872.81/248,462.64
  6. Step 6: Final answer
    x = 194,626.58

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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.