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Finding the Fourth Proportional to 248,617.40, 372,926.10 and 108,649.40

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Solution

The fourth proportional to 248,617.40, 372,926.10 and 108,649.40 is: 162,974.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,617.40 : 372,926.10 = 108,649.40 : x
  2. Step 2: Convert to fraction form
    248,617.40/372,926.10 = 108,649.40/x
  3. Step 3: Cross multiply
    248,617.40x = 372,926.10 × 108,649.40
  4. Step 4: Simplify right side
    248,617.40x = 40,518,197,009.34
  5. Step 5: Solve for x
    x = 40,518,197,009.34/248,617.40
  6. Step 6: Final answer
    x = 162,974.10

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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.