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Finding the Fourth Proportional to 173,981.61, 240,039.72 and 97,490.07

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Solution

The fourth proportional to 173,981.61, 240,039.72 and 97,490.07 is: 134,505.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,981.61 : 240,039.72 = 97,490.07 : x
  2. Step 2: Convert to fraction form
    173,981.61/240,039.72 = 97,490.07/x
  3. Step 3: Cross multiply
    173,981.61x = 240,039.72 × 97,490.07
  4. Step 4: Simplify right side
    173,981.61x = 23,401,489,105.58
  5. Step 5: Solve for x
    x = 23,401,489,105.58/173,981.61
  6. Step 6: Final answer
    x = 134,505.53

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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.