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Finding the Fourth Proportional to 173,820.40, 260,536.20 and 73,963.60

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Solution

The fourth proportional to 173,820.40, 260,536.20 and 73,963.60 is: 110,862.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,820.40 : 260,536.20 = 73,963.60 : x
  2. Step 2: Convert to fraction form
    173,820.40/260,536.20 = 73,963.60/x
  3. Step 3: Cross multiply
    173,820.40x = 260,536.20 × 73,963.60
  4. Step 4: Simplify right side
    173,820.40x = 19,270,195,282.32
  5. Step 5: Solve for x
    x = 19,270,195,282.32/173,820.40
  6. Step 6: Final answer
    x = 110,862.68

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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.