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Finding the Fourth Proportional to 70,247.13, 97,050.20 and 58,899.03

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Solution

The fourth proportional to 70,247.13, 97,050.20 and 58,899.03 is: 81,372.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,247.13 : 97,050.20 = 58,899.03 : x
  2. Step 2: Convert to fraction form
    70,247.13/97,050.20 = 58,899.03/x
  3. Step 3: Cross multiply
    70,247.13x = 97,050.20 × 58,899.03
  4. Step 4: Simplify right side
    70,247.13x = 5,716,162,346.81
  5. Step 5: Solve for x
    x = 5,716,162,346.81/70,247.13
  6. Step 6: Final answer
    x = 81,372.18

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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.