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Finding the Fourth Proportional to 73,490.40, 110,235.60 and 47,246.40

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Solution

The fourth proportional to 73,490.40, 110,235.60 and 47,246.40 is: 70,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,490.40 : 110,235.60 = 47,246.40 : x
  2. Step 2: Convert to fraction form
    73,490.40/110,235.60 = 47,246.40/x
  3. Step 3: Cross multiply
    73,490.40x = 110,235.60 × 47,246.40
  4. Step 4: Simplify right side
    73,490.40x = 5,208,235,251.84
  5. Step 5: Solve for x
    x = 5,208,235,251.84/73,490.40
  6. Step 6: Final answer
    x = 70,869.60

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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.