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Finding the Fourth Proportional to 559,181.40, 838,799.72 and 159,880.92

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Solution

The fourth proportional to 559,181.40, 838,799.72 and 159,880.92 is: 239,829.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,181.40 : 838,799.72 = 159,880.92 : x
  2. Step 2: Convert to fraction form
    559,181.40/838,799.72 = 159,880.92/x
  3. Step 3: Cross multiply
    559,181.40x = 838,799.72 × 159,880.92
  4. Step 4: Simplify right side
    559,181.40x = 134,108,070,929.34
  5. Step 5: Solve for x
    x = 134,108,070,929.34/559,181.40
  6. Step 6: Final answer
    x = 239,829.28

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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.