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Finding the Fourth Proportional to 68,952.70, 103,429.05 and 48,832.30

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Solution

The fourth proportional to 68,952.70, 103,429.05 and 48,832.30 is: 73,248.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,952.70 : 103,429.05 = 48,832.30 : x
  2. Step 2: Convert to fraction form
    68,952.70/103,429.05 = 48,832.30/x
  3. Step 3: Cross multiply
    68,952.70x = 103,429.05 × 48,832.30
  4. Step 4: Simplify right side
    68,952.70x = 5,050,678,398.32
  5. Step 5: Solve for x
    x = 5,050,678,398.32/68,952.70
  6. Step 6: Final answer
    x = 73,248.45

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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.