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Finding the Fourth Proportional to 175,054.20, 262,710.90 and 115,870.20

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Solution

The fourth proportional to 175,054.20, 262,710.90 and 115,870.20 is: 173,891.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,054.20 : 262,710.90 = 115,870.20 : x
  2. Step 2: Convert to fraction form
    175,054.20/262,710.90 = 115,870.20/x
  3. Step 3: Cross multiply
    175,054.20x = 262,710.90 × 115,870.20
  4. Step 4: Simplify right side
    175,054.20x = 30,440,364,525.18
  5. Step 5: Solve for x
    x = 30,440,364,525.18/175,054.20
  6. Step 6: Final answer
    x = 173,891.08

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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.