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Finding the Fourth Proportional to 264,275.33, 364,702.62 and 143,417.66

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Solution

The fourth proportional to 264,275.33, 364,702.62 and 143,417.66 is: 197,917.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,275.33 : 364,702.62 = 143,417.66 : x
  2. Step 2: Convert to fraction form
    264,275.33/364,702.62 = 143,417.66/x
  3. Step 3: Cross multiply
    264,275.33x = 364,702.62 × 143,417.66
  4. Step 4: Simplify right side
    264,275.33x = 52,304,794,532.76
  5. Step 5: Solve for x
    x = 52,304,794,532.76/264,275.33
  6. Step 6: Final answer
    x = 197,917.81

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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.