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Finding the Fourth Proportional to 266,935.20, 368,210.44 and 176,291.32

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Solution

The fourth proportional to 266,935.20, 368,210.44 and 176,291.32 is: 243,176.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,935.20 : 368,210.44 = 176,291.32 : x
  2. Step 2: Convert to fraction form
    266,935.20/368,210.44 = 176,291.32/x
  3. Step 3: Cross multiply
    266,935.20x = 368,210.44 × 176,291.32
  4. Step 4: Simplify right side
    266,935.20x = 64,912,304,505.38
  5. Step 5: Solve for x
    x = 64,912,304,505.38/266,935.20
  6. Step 6: Final answer
    x = 243,176.26

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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.