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Finding the Fourth Proportional to 117,603.92, 162,296.52 and 67,319.12

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Solution

The fourth proportional to 117,603.92, 162,296.52 and 67,319.12 is: 92,902.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,603.92 : 162,296.52 = 67,319.12 : x
  2. Step 2: Convert to fraction form
    117,603.92/162,296.52 = 67,319.12/x
  3. Step 3: Cross multiply
    117,603.92x = 162,296.52 × 67,319.12
  4. Step 4: Simplify right side
    117,603.92x = 10,925,658,905.46
  5. Step 5: Solve for x
    x = 10,925,658,905.46/117,603.92
  6. Step 6: Final answer
    x = 92,902.17

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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.