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Finding the Fourth Proportional to 250,758.99, 375,904.49 and 98,957.33

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Solution

The fourth proportional to 250,758.99, 375,904.49 and 98,957.33 is: 148,343.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,758.99 : 375,904.49 = 98,957.33 : x
  2. Step 2: Convert to fraction form
    250,758.99/375,904.49 = 98,957.33/x
  3. Step 3: Cross multiply
    250,758.99x = 375,904.49 × 98,957.33
  4. Step 4: Simplify right side
    250,758.99x = 37,198,502,291.10
  5. Step 5: Solve for x
    x = 37,198,502,291.10/250,758.99
  6. Step 6: Final answer
    x = 148,343.64

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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.