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Finding the Fourth Proportional to 172,764.40, 238,333.38 and 101,100.07

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Solution

The fourth proportional to 172,764.40, 238,333.38 and 101,100.07 is: 139,470.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,764.40 : 238,333.38 = 101,100.07 : x
  2. Step 2: Convert to fraction form
    172,764.40/238,333.38 = 101,100.07/x
  3. Step 3: Cross multiply
    172,764.40x = 238,333.38 × 101,100.07
  4. Step 4: Simplify right side
    172,764.40x = 24,095,521,401.34
  5. Step 5: Solve for x
    x = 24,095,521,401.34/172,764.40
  6. Step 6: Final answer
    x = 139,470.41

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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.