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Finding the Fourth Proportional to 70,475.32, 105,654.66 and 26,093.80

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Solution

The fourth proportional to 70,475.32, 105,654.66 and 26,093.80 is: 39,119.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,475.32 : 105,654.66 = 26,093.80 : x
  2. Step 2: Convert to fraction form
    70,475.32/105,654.66 = 26,093.80/x
  3. Step 3: Cross multiply
    70,475.32x = 105,654.66 × 26,093.80
  4. Step 4: Simplify right side
    70,475.32x = 2,756,931,567.11
  5. Step 5: Solve for x
    x = 2,756,931,567.11/70,475.32
  6. Step 6: Final answer
    x = 39,119.11

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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.