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Finding the Fourth Proportional to 97,797.88, 134,961.54 and 55,364.62

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Solution

The fourth proportional to 97,797.88, 134,961.54 and 55,364.62 is: 76,403.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,797.88 : 134,961.54 = 55,364.62 : x
  2. Step 2: Convert to fraction form
    97,797.88/134,961.54 = 55,364.62/x
  3. Step 3: Cross multiply
    97,797.88x = 134,961.54 × 55,364.62
  4. Step 4: Simplify right side
    97,797.88x = 7,472,094,376.71
  5. Step 5: Solve for x
    x = 7,472,094,376.71/97,797.88
  6. Step 6: Final answer
    x = 76,403.44

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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.