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Finding the Fourth Proportional to 248,639.75, 372,956.88 and 148,827.80

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Solution

The fourth proportional to 248,639.75, 372,956.88 and 148,827.80 is: 223,240.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,639.75 : 372,956.88 = 148,827.80 : x
  2. Step 2: Convert to fraction form
    248,639.75/372,956.88 = 148,827.80/x
  3. Step 3: Cross multiply
    248,639.75x = 372,956.88 × 148,827.80
  4. Step 4: Simplify right side
    248,639.75x = 55,506,352,877.66
  5. Step 5: Solve for x
    x = 55,506,352,877.66/248,639.75
  6. Step 6: Final answer
    x = 223,240.06

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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.