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Finding the Fourth Proportional to 248,480.88, 372,719.52 and 148,668.72

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Solution

The fourth proportional to 248,480.88, 372,719.52 and 148,668.72 is: 223,002.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,480.88 : 372,719.52 = 148,668.72 : x
  2. Step 2: Convert to fraction form
    248,480.88/372,719.52 = 148,668.72/x
  3. Step 3: Cross multiply
    248,480.88x = 372,719.52 × 148,668.72
  4. Step 4: Simplify right side
    248,480.88x = 55,411,733,957.41
  5. Step 5: Solve for x
    x = 55,411,733,957.41/248,480.88
  6. Step 6: Final answer
    x = 223,002.00

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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.