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Finding the Fourth Proportional to 173,722.82, 239,738.38 and 98,269.70

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Solution

The fourth proportional to 173,722.82, 239,738.38 and 98,269.70 is: 135,612.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,722.82 : 239,738.38 = 98,269.70 : x
  2. Step 2: Convert to fraction form
    173,722.82/239,738.38 = 98,269.70/x
  3. Step 3: Cross multiply
    173,722.82x = 239,738.38 × 98,269.70
  4. Step 4: Simplify right side
    173,722.82x = 23,559,018,681.09
  5. Step 5: Solve for x
    x = 23,559,018,681.09/173,722.82
  6. Step 6: Final answer
    x = 135,612.69

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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.