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Finding the Fourth Proportional to 117,465.60, 175,838.40 and 64,713.60

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Solution

The fourth proportional to 117,465.60, 175,838.40 and 64,713.60 is: 96,872.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,465.60 : 175,838.40 = 64,713.60 : x
  2. Step 2: Convert to fraction form
    117,465.60/175,838.40 = 64,713.60/x
  3. Step 3: Cross multiply
    117,465.60x = 175,838.40 × 64,713.60
  4. Step 4: Simplify right side
    117,465.60x = 11,379,135,882.24
  5. Step 5: Solve for x
    x = 11,379,135,882.24/117,465.60
  6. Step 6: Final answer
    x = 96,872.07

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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.