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Finding the Fourth Proportional to 70,559.16, 106,324.24 and 58,353.64

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Solution

The fourth proportional to 70,559.16, 106,324.24 and 58,353.64 is: 87,931.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,559.16 : 106,324.24 = 58,353.64 : x
  2. Step 2: Convert to fraction form
    70,559.16/106,324.24 = 58,353.64/x
  3. Step 3: Cross multiply
    70,559.16x = 106,324.24 × 58,353.64
  4. Step 4: Simplify right side
    70,559.16x = 6,204,406,424.23
  5. Step 5: Solve for x
    x = 6,204,406,424.23/70,559.16
  6. Step 6: Final answer
    x = 87,931.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.