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Finding the Fourth Proportional to 67,905.70, 101,858.55 and 49,473.70

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Solution

The fourth proportional to 67,905.70, 101,858.55 and 49,473.70 is: 74,210.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,905.70 : 101,858.55 = 49,473.70 : x
  2. Step 2: Convert to fraction form
    67,905.70/101,858.55 = 49,473.70/x
  3. Step 3: Cross multiply
    67,905.70x = 101,858.55 × 49,473.70
  4. Step 4: Simplify right side
    67,905.70x = 5,039,319,345.14
  5. Step 5: Solve for x
    x = 5,039,319,345.14/67,905.70
  6. Step 6: Final answer
    x = 74,210.55

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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.