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Finding the Fourth Proportional to 97,648.74, 134,758.89 and 55,204.74

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Solution

The fourth proportional to 97,648.74, 134,758.89 and 55,204.74 is: 76,184.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,648.74 : 134,758.89 = 55,204.74 : x
  2. Step 2: Convert to fraction form
    97,648.74/134,758.89 = 55,204.74/x
  3. Step 3: Cross multiply
    97,648.74x = 134,758.89 × 55,204.74
  4. Step 4: Simplify right side
    97,648.74x = 7,439,329,485.14
  5. Step 5: Solve for x
    x = 7,439,329,485.14/97,648.74
  6. Step 6: Final answer
    x = 76,184.59

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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.