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Finding the Fourth Proportional to 267,752.80, 401,653.32 and 117,957.52

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Solution

The fourth proportional to 267,752.80, 401,653.32 and 117,957.52 is: 176,946.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,752.80 : 401,653.32 = 117,957.52 : x
  2. Step 2: Convert to fraction form
    267,752.80/401,653.32 = 117,957.52/x
  3. Step 3: Cross multiply
    267,752.80x = 401,653.32 × 117,957.52
  4. Step 4: Simplify right side
    267,752.80x = 47,378,029,526.97
  5. Step 5: Solve for x
    x = 47,378,029,526.97/267,752.80
  6. Step 6: Final answer
    x = 176,946.91

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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.