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Finding the Fourth Proportional to 70,770.68, 97,030.60 and 69,507.08

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Solution

The fourth proportional to 70,770.68, 97,030.60 and 69,507.08 is: 95,298.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,770.68 : 97,030.60 = 69,507.08 : x
  2. Step 2: Convert to fraction form
    70,770.68/97,030.60 = 69,507.08/x
  3. Step 3: Cross multiply
    70,770.68x = 97,030.60 × 69,507.08
  4. Step 4: Simplify right side
    70,770.68x = 6,744,313,676.65
  5. Step 5: Solve for x
    x = 6,744,313,676.65/70,770.68
  6. Step 6: Final answer
    x = 95,298.13

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.