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Finding the Fourth Proportional to 115,408.03, 159,235.03 and 67,652.15

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Solution

The fourth proportional to 115,408.03, 159,235.03 and 67,652.15 is: 93,343.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,408.03 : 159,235.03 = 67,652.15 : x
  2. Step 2: Convert to fraction form
    115,408.03/159,235.03 = 67,652.15/x
  3. Step 3: Cross multiply
    115,408.03x = 159,235.03 × 67,652.15
  4. Step 4: Simplify right side
    115,408.03x = 10,772,592,134.81
  5. Step 5: Solve for x
    x = 10,772,592,134.81/115,408.03
  6. Step 6: Final answer
    x = 93,343.52

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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.