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Finding the Fourth Proportional to 70,246.64, 105,296.04 and 48,054

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Solution

The fourth proportional to 70,246.64, 105,296.04 and 48,054 is: 72,030.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,246.64 : 105,296.04 = 48,054 : x
  2. Step 2: Convert to fraction form
    70,246.64/105,296.04 = 48,054/x
  3. Step 3: Cross multiply
    70,246.64x = 105,296.04 × 48,054
  4. Step 4: Simplify right side
    70,246.64x = 5,059,895,906.16
  5. Step 5: Solve for x
    x = 5,059,895,906.16/70,246.64
  6. Step 6: Final answer
    x = 72,030.43

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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.