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Finding the Fourth Proportional to 70,305.84, 97,022.61 and 43,442.19

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Solution

The fourth proportional to 70,305.84, 97,022.61 and 43,442.19 is: 59,950.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,305.84 : 97,022.61 = 43,442.19 : x
  2. Step 2: Convert to fraction form
    70,305.84/97,022.61 = 43,442.19/x
  3. Step 3: Cross multiply
    70,305.84x = 97,022.61 × 43,442.19
  4. Step 4: Simplify right side
    70,305.84x = 4,214,874,657.92
  5. Step 5: Solve for x
    x = 4,214,874,657.92/70,305.84
  6. Step 6: Final answer
    x = 59,950.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.