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Finding the Fourth Proportional to 559,153.89, 838,758.51 and 159,853.48

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Solution

The fourth proportional to 559,153.89, 838,758.51 and 159,853.48 is: 239,788.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,153.89 : 838,758.51 = 159,853.48 : x
  2. Step 2: Convert to fraction form
    559,153.89/838,758.51 = 159,853.48/x
  3. Step 3: Cross multiply
    559,153.89x = 838,758.51 × 159,853.48
  4. Step 4: Simplify right side
    559,153.89x = 134,078,466,703.12
  5. Step 5: Solve for x
    x = 134,078,466,703.12/559,153.89
  6. Step 6: Final answer
    x = 239,788.13

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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.