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Finding the Fourth Proportional to 563,156.07, 844,725.05 and 136,695.39

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Solution

The fourth proportional to 563,156.07, 844,725.05 and 136,695.39 is: 205,040.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,156.07 : 844,725.05 = 136,695.39 : x
  2. Step 2: Convert to fraction form
    563,156.07/844,725.05 = 136,695.39/x
  3. Step 3: Cross multiply
    563,156.07x = 844,725.05 × 136,695.39
  4. Step 4: Simplify right side
    563,156.07x = 115,470,015,928.89
  5. Step 5: Solve for x
    x = 115,470,015,928.89/563,156.07
  6. Step 6: Final answer
    x = 205,040.88

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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.