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Finding the Fourth Proportional to 96,603.60, 135,490.80 and 96,603.60

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Solution

The fourth proportional to 96,603.60, 135,490.80 and 96,603.60 is: 135,490.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,603.60 : 135,490.80 = 96,603.60 : x
  2. Step 2: Convert to fraction form
    96,603.60/135,490.80 = 96,603.60/x
  3. Step 3: Cross multiply
    96,603.60x = 135,490.80 × 96,603.60
  4. Step 4: Simplify right side
    96,603.60x = 13,088,899,046.88
  5. Step 5: Solve for x
    x = 13,088,899,046.88/96,603.60
  6. Step 6: Final answer
    x = 135,490.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.