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Finding the Fourth Proportional to 115,894.74, 173,798.37 and 53,521.50

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Solution

The fourth proportional to 115,894.74, 173,798.37 and 53,521.50 is: 80,262.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,894.74 : 173,798.37 = 53,521.50 : x
  2. Step 2: Convert to fraction form
    115,894.74/173,798.37 = 53,521.50/x
  3. Step 3: Cross multiply
    115,894.74x = 173,798.37 × 53,521.50
  4. Step 4: Simplify right side
    115,894.74x = 9,301,949,459.96
  5. Step 5: Solve for x
    x = 9,301,949,459.96/115,894.74
  6. Step 6: Final answer
    x = 80,262.05

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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.