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Finding the Fourth Proportional to 195,603.60, 293,405.40 and 90,627.60

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Solution

The fourth proportional to 195,603.60, 293,405.40 and 90,627.60 is: 135,941.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,603.60 : 293,405.40 = 90,627.60 : x
  2. Step 2: Convert to fraction form
    195,603.60/293,405.40 = 90,627.60/x
  3. Step 3: Cross multiply
    195,603.60x = 293,405.40 × 90,627.60
  4. Step 4: Simplify right side
    195,603.60x = 26,590,627,229.04
  5. Step 5: Solve for x
    x = 26,590,627,229.04/195,603.60
  6. Step 6: Final answer
    x = 135,941.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.