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Finding the Fourth Proportional to 145,888.88, 218,833.31 and 35,080.88

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Solution

The fourth proportional to 145,888.88, 218,833.31 and 35,080.88 is: 52,621.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,888.88 : 218,833.31 = 35,080.88 : x
  2. Step 2: Convert to fraction form
    145,888.88/218,833.31 = 35,080.88/x
  3. Step 3: Cross multiply
    145,888.88x = 218,833.31 × 35,080.88
  4. Step 4: Simplify right side
    145,888.88x = 7,676,864,081.65
  5. Step 5: Solve for x
    x = 7,676,864,081.65/145,888.88
  6. Step 6: Final answer
    x = 52,621.31

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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.