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Finding the Fourth Proportional to 173,908.40, 260,862.60 and 68,673.20

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Solution

The fourth proportional to 173,908.40, 260,862.60 and 68,673.20 is: 103,009.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,908.40 : 260,862.60 = 68,673.20 : x
  2. Step 2: Convert to fraction form
    173,908.40/260,862.60 = 68,673.20/x
  3. Step 3: Cross multiply
    173,908.40x = 260,862.60 × 68,673.20
  4. Step 4: Simplify right side
    173,908.40x = 17,914,269,502.32
  5. Step 5: Solve for x
    x = 17,914,269,502.32/173,908.40
  6. Step 6: Final answer
    x = 103,009.80

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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.