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Finding the Fourth Proportional to 563,118.54, 844,670.62 and 136,657.86

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Solution

The fourth proportional to 563,118.54, 844,670.62 and 136,657.86 is: 204,985.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,118.54 : 844,670.62 = 136,657.86 : x
  2. Step 2: Convert to fraction form
    563,118.54/844,670.62 = 136,657.86/x
  3. Step 3: Cross multiply
    563,118.54x = 844,670.62 × 136,657.86
  4. Step 4: Simplify right side
    563,118.54x = 115,430,879,334.07
  5. Step 5: Solve for x
    x = 115,430,879,334.07/563,118.54
  6. Step 6: Final answer
    x = 204,985.05

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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.