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Finding the Fourth Proportional to 248,281.61, 372,423.22 and 68,369.54

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Solution

The fourth proportional to 248,281.61, 372,423.22 and 68,369.54 is: 102,554.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,281.61 : 372,423.22 = 68,369.54 : x
  2. Step 2: Convert to fraction form
    248,281.61/372,423.22 = 68,369.54/x
  3. Step 3: Cross multiply
    248,281.61x = 372,423.22 × 68,369.54
  4. Step 4: Simplify right side
    248,281.61x = 25,462,402,203.68
  5. Step 5: Solve for x
    x = 25,462,402,203.68/248,281.61
  6. Step 6: Final answer
    x = 102,554.53

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1.5x scale

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.