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Finding the Fourth Proportional to 173,424.84, 239,356.74 and 100,850.22

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Solution

The fourth proportional to 173,424.84, 239,356.74 and 100,850.22 is: 139,191.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,424.84 : 239,356.74 = 100,850.22 : x
  2. Step 2: Convert to fraction form
    173,424.84/239,356.74 = 100,850.22/x
  3. Step 3: Cross multiply
    173,424.84x = 239,356.74 × 100,850.22
  4. Step 4: Simplify right side
    173,424.84x = 24,139,179,887.48
  5. Step 5: Solve for x
    x = 24,139,179,887.48/173,424.84
  6. Step 6: Final answer
    x = 139,191.02

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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.