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Finding the Fourth Proportional to 269,159.53, 403,798.42 and 79,605.12

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Solution

The fourth proportional to 269,159.53, 403,798.42 and 79,605.12 is: 119,425.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,159.53 : 403,798.42 = 79,605.12 : x
  2. Step 2: Convert to fraction form
    269,159.53/403,798.42 = 79,605.12/x
  3. Step 3: Cross multiply
    269,159.53x = 403,798.42 × 79,605.12
  4. Step 4: Simplify right side
    269,159.53x = 32,144,421,679.91
  5. Step 5: Solve for x
    x = 32,144,421,679.91/269,159.53
  6. Step 6: Final answer
    x = 119,425.17

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1.5x scale

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.