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Finding the Fourth Proportional to 559,153.71, 838,758.15 and 159,852.87

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Solution

The fourth proportional to 559,153.71, 838,758.15 and 159,852.87 is: 239,787.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,153.71 : 838,758.15 = 159,852.87 : x
  2. Step 2: Convert to fraction form
    559,153.71/838,758.15 = 159,852.87/x
  3. Step 3: Cross multiply
    559,153.71x = 838,758.15 × 159,852.87
  4. Step 4: Simplify right side
    559,153.71x = 134,077,897,513.39
  5. Step 5: Solve for x
    x = 134,077,897,513.39/559,153.71
  6. Step 6: Final answer
    x = 239,787.19

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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.