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Finding the Fourth Proportional to 255,924.80, 353,175.25 and 141,210.60

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Solution

The fourth proportional to 255,924.80, 353,175.25 and 141,210.60 is: 194,870.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,924.80 : 353,175.25 = 141,210.60 : x
  2. Step 2: Convert to fraction form
    255,924.80/353,175.25 = 141,210.60/x
  3. Step 3: Cross multiply
    255,924.80x = 353,175.25 × 141,210.60
  4. Step 4: Simplify right side
    255,924.80x = 49,872,088,957.65
  5. Step 5: Solve for x
    x = 49,872,088,957.65/255,924.80
  6. Step 6: Final answer
    x = 194,870.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.