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Finding the Fourth Proportional to 357,758.85, 536,304.75 and 120,935.91

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Solution

The fourth proportional to 357,758.85, 536,304.75 and 120,935.91 is: 181,291.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,758.85 : 536,304.75 = 120,935.91 : x
  2. Step 2: Convert to fraction form
    357,758.85/536,304.75 = 120,935.91/x
  3. Step 3: Cross multiply
    357,758.85x = 536,304.75 × 120,935.91
  4. Step 4: Simplify right side
    357,758.85x = 64,858,502,978.57
  5. Step 5: Solve for x
    x = 64,858,502,978.57/357,758.85
  6. Step 6: Final answer
    x = 181,291.12

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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.