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Finding the Fourth Proportional to 559,590.93, 839,139.48 and 160,140.78

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Solution

The fourth proportional to 559,590.93, 839,139.48 and 160,140.78 is: 240,140.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,590.93 : 839,139.48 = 160,140.78 : x
  2. Step 2: Convert to fraction form
    559,590.93/839,139.48 = 160,140.78/x
  3. Step 3: Cross multiply
    559,590.93x = 839,139.48 × 160,140.78
  4. Step 4: Simplify right side
    559,590.93x = 134,380,450,855.99
  5. Step 5: Solve for x
    x = 134,380,450,855.99/559,590.93
  6. Step 6: Final answer
    x = 240,140.51

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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.