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Finding the Fourth Proportional to 117,804.80, 162,566.92 and 64,088.44

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Solution

The fourth proportional to 117,804.80, 162,566.92 and 64,088.44 is: 88,440.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,804.80 : 162,566.92 = 64,088.44 : x
  2. Step 2: Convert to fraction form
    117,804.80/162,566.92 = 64,088.44/x
  3. Step 3: Cross multiply
    117,804.80x = 162,566.92 × 64,088.44
  4. Step 4: Simplify right side
    117,804.80x = 10,418,660,298.40
  5. Step 5: Solve for x
    x = 10,418,660,298.40/117,804.80
  6. Step 6: Final answer
    x = 88,440.03

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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.