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Finding the Fourth Proportional to 173,153.40, 259,730.10 and 67,918.20

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Solution

The fourth proportional to 173,153.40, 259,730.10 and 67,918.20 is: 101,877.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,153.40 : 259,730.10 = 67,918.20 : x
  2. Step 2: Convert to fraction form
    173,153.40/259,730.10 = 67,918.20/x
  3. Step 3: Cross multiply
    173,153.40x = 259,730.10 × 67,918.20
  4. Step 4: Simplify right side
    173,153.40x = 17,640,400,877.82
  5. Step 5: Solve for x
    x = 17,640,400,877.82/173,153.40
  6. Step 6: Final answer
    x = 101,877.30

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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.