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Finding the Fourth Proportional to 115,603.68, 159,550.02 and 67,883.16

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Solution

The fourth proportional to 115,603.68, 159,550.02 and 67,883.16 is: 93,688.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,603.68 : 159,550.02 = 67,883.16 : x
  2. Step 2: Convert to fraction form
    115,603.68/159,550.02 = 67,883.16/x
  3. Step 3: Cross multiply
    115,603.68x = 159,550.02 × 67,883.16
  4. Step 4: Simplify right side
    115,603.68x = 10,830,759,535.66
  5. Step 5: Solve for x
    x = 10,830,759,535.66/115,603.68
  6. Step 6: Final answer
    x = 93,688.71

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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.