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Finding the Fourth Proportional to 70,756.38, 106,030.26 and 52,903.26

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Solution

The fourth proportional to 70,756.38, 106,030.26 and 52,903.26 is: 79,276.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,756.38 : 106,030.26 = 52,903.26 : x
  2. Step 2: Convert to fraction form
    70,756.38/106,030.26 = 52,903.26/x
  3. Step 3: Cross multiply
    70,756.38x = 106,030.26 × 52,903.26
  4. Step 4: Simplify right side
    70,756.38x = 5,609,346,412.65
  5. Step 5: Solve for x
    x = 5,609,346,412.65/70,756.38
  6. Step 6: Final answer
    x = 79,276.90

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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.