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Finding the Fourth Proportional to 273,355.05, 410,061.74 and 115,599.45

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Solution

The fourth proportional to 273,355.05, 410,061.74 and 115,599.45 is: 173,411.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,355.05 : 410,061.74 = 115,599.45 : x
  2. Step 2: Convert to fraction form
    273,355.05/410,061.74 = 115,599.45/x
  3. Step 3: Cross multiply
    273,355.05x = 410,061.74 × 115,599.45
  4. Step 4: Simplify right side
    273,355.05x = 47,402,911,610.04
  5. Step 5: Solve for x
    x = 47,402,911,610.04/273,355.05
  6. Step 6: Final answer
    x = 173,411.51

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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.