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Finding the Fourth Proportional to 266,340.80, 367,547.82 and 145,482.04

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Solution

The fourth proportional to 266,340.80, 367,547.82 and 145,482.04 is: 200,763.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,340.80 : 367,547.82 = 145,482.04 : x
  2. Step 2: Convert to fraction form
    266,340.80/367,547.82 = 145,482.04/x
  3. Step 3: Cross multiply
    266,340.80x = 367,547.82 × 145,482.04
  4. Step 4: Simplify right side
    266,340.80x = 53,471,606,651.15
  5. Step 5: Solve for x
    x = 53,471,606,651.15/266,340.80
  6. Step 6: Final answer
    x = 200,763.86

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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.