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Finding the Fourth Proportional to 99,144.48, 136,890.48 and 60,955.32

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Solution

The fourth proportional to 99,144.48, 136,890.48 and 60,955.32 is: 84,162.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,144.48 : 136,890.48 = 60,955.32 : x
  2. Step 2: Convert to fraction form
    99,144.48/136,890.48 = 60,955.32/x
  3. Step 3: Cross multiply
    99,144.48x = 136,890.48 × 60,955.32
  4. Step 4: Simplify right side
    99,144.48x = 8,344,203,013.35
  5. Step 5: Solve for x
    x = 8,344,203,013.35/99,144.48
  6. Step 6: Final answer
    x = 84,162.05

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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.