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Finding the Fourth Proportional to 68,191.92, 94,133.97 and 45,848.88

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Solution

The fourth proportional to 68,191.92, 94,133.97 and 45,848.88 is: 63,291.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,191.92 : 94,133.97 = 45,848.88 : x
  2. Step 2: Convert to fraction form
    68,191.92/94,133.97 = 45,848.88/x
  3. Step 3: Cross multiply
    68,191.92x = 94,133.97 × 45,848.88
  4. Step 4: Simplify right side
    68,191.92x = 4,315,937,094.45
  5. Step 5: Solve for x
    x = 4,315,937,094.45/68,191.92
  6. Step 6: Final answer
    x = 63,291.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.