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Finding the Fourth Proportional to 559,671.20, 839,259.12 and 160,220.96

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Solution

The fourth proportional to 559,671.20, 839,259.12 and 160,220.96 is: 240,260.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,671.20 : 839,259.12 = 160,220.96 : x
  2. Step 2: Convert to fraction form
    559,671.20/839,259.12 = 160,220.96/x
  3. Step 3: Cross multiply
    559,671.20x = 839,259.12 × 160,220.96
  4. Step 4: Simplify right side
    559,671.20x = 134,466,901,895.16
  5. Step 5: Solve for x
    x = 134,466,901,895.16/559,671.20
  6. Step 6: Final answer
    x = 240,260.53

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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.