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Finding the Fourth Proportional to 110,408.80, 152,364.72 and 60,108.16

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Solution

The fourth proportional to 110,408.80, 152,364.72 and 60,108.16 is: 82,949.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,408.80 : 152,364.72 = 60,108.16 : x
  2. Step 2: Convert to fraction form
    110,408.80/152,364.72 = 60,108.16/x
  3. Step 3: Cross multiply
    110,408.80x = 152,364.72 × 60,108.16
  4. Step 4: Simplify right side
    110,408.80x = 9,158,362,968.12
  5. Step 5: Solve for x
    x = 9,158,362,968.12/110,408.80
  6. Step 6: Final answer
    x = 82,949.57

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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.