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Finding the Fourth Proportional to 97,624.72, 134,721.21 and 54,603.69

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Solution

The fourth proportional to 97,624.72, 134,721.21 and 54,603.69 is: 75,352.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,624.72 : 134,721.21 = 54,603.69 : x
  2. Step 2: Convert to fraction form
    97,624.72/134,721.21 = 54,603.69/x
  3. Step 3: Cross multiply
    97,624.72x = 134,721.21 × 54,603.69
  4. Step 4: Simplify right side
    97,624.72x = 7,356,275,187.26
  5. Step 5: Solve for x
    x = 7,356,275,187.26/97,624.72
  6. Step 6: Final answer
    x = 75,352.59

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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.