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Finding the Fourth Proportional to 559,140.03, 838,590.96 and 159,674.76

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Solution

The fourth proportional to 559,140.03, 838,590.96 and 159,674.76 is: 239,478.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,140.03 : 838,590.96 = 159,674.76 : x
  2. Step 2: Convert to fraction form
    559,140.03/838,590.96 = 159,674.76/x
  3. Step 3: Cross multiply
    559,140.03x = 838,590.96 × 159,674.76
  4. Step 4: Simplify right side
    559,140.03x = 133,901,810,276.17
  5. Step 5: Solve for x
    x = 133,901,810,276.17/559,140.03
  6. Step 6: Final answer
    x = 239,478.13

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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.