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Finding the Fourth Proportional to 236,033.70, 325,730.22 and 128,603.70

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Solution

The fourth proportional to 236,033.70, 325,730.22 and 128,603.70 is: 177,475.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,033.70 : 325,730.22 = 128,603.70 : x
  2. Step 2: Convert to fraction form
    236,033.70/325,730.22 = 128,603.70/x
  3. Step 3: Cross multiply
    236,033.70x = 325,730.22 × 128,603.70
  4. Step 4: Simplify right side
    236,033.70x = 41,890,111,493.81
  5. Step 5: Solve for x
    x = 41,890,111,493.81/236,033.70
  6. Step 6: Final answer
    x = 177,475.13

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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.