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Finding the Fourth Proportional to 136,468.32, 204,702.48 and 53,304

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Solution

The fourth proportional to 136,468.32, 204,702.48 and 53,304 is: 79,956

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,468.32 : 204,702.48 = 53,304 : x
  2. Step 2: Convert to fraction form
    136,468.32/204,702.48 = 53,304/x
  3. Step 3: Cross multiply
    136,468.32x = 204,702.48 × 53,304
  4. Step 4: Simplify right side
    136,468.32x = 10,911,460,993.92
  5. Step 5: Solve for x
    x = 10,911,460,993.92/136,468.32
  6. Step 6: Final answer
    x = 79,956

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.