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Finding the Fourth Proportional to 173,335.60, 259,711.80 and 114,140.80

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Solution

The fourth proportional to 173,335.60, 259,711.80 and 114,140.80 is: 171,019.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,335.60 : 259,711.80 = 114,140.80 : x
  2. Step 2: Convert to fraction form
    173,335.60/259,711.80 = 114,140.80/x
  3. Step 3: Cross multiply
    173,335.60x = 259,711.80 × 114,140.80
  4. Step 4: Simplify right side
    173,335.60x = 29,643,712,621.44
  5. Step 5: Solve for x
    x = 29,643,712,621.44/173,335.60
  6. Step 6: Final answer
    x = 171,019.18

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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.