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Finding the Fourth Proportional to 115,909.93, 173,889.88 and 35,946.30

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Solution

The fourth proportional to 115,909.93, 173,889.88 and 35,946.30 is: 53,927.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,909.93 : 173,889.88 = 35,946.30 : x
  2. Step 2: Convert to fraction form
    115,909.93/173,889.88 = 35,946.30/x
  3. Step 3: Cross multiply
    115,909.93x = 173,889.88 × 35,946.30
  4. Step 4: Simplify right side
    115,909.93x = 6,250,697,703.58
  5. Step 5: Solve for x
    x = 6,250,697,703.58/115,909.93
  6. Step 6: Final answer
    x = 53,927.20

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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.