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Finding the Fourth Proportional to 117,751.12, 162,495.01 and 64,034.98

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Solution

The fourth proportional to 117,751.12, 162,495.01 and 64,034.98 is: 88,367.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,751.12 : 162,495.01 = 64,034.98 : x
  2. Step 2: Convert to fraction form
    117,751.12/162,495.01 = 64,034.98/x
  3. Step 3: Cross multiply
    117,751.12x = 162,495.01 × 64,034.98
  4. Step 4: Simplify right side
    117,751.12x = 10,405,365,281.77
  5. Step 5: Solve for x
    x = 10,405,365,281.77/117,751.12
  6. Step 6: Final answer
    x = 88,367.44

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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.