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Finding the Fourth Proportional to 117,741.80, 162,482.86 and 64,026.86

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Solution

The fourth proportional to 117,741.80, 162,482.86 and 64,026.86 is: 88,356.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,741.80 : 162,482.86 = 64,026.86 : x
  2. Step 2: Convert to fraction form
    117,741.80/162,482.86 = 64,026.86/x
  3. Step 3: Cross multiply
    117,741.80x = 162,482.86 × 64,026.86
  4. Step 4: Simplify right side
    117,741.80x = 10,403,266,597.24
  5. Step 5: Solve for x
    x = 10,403,266,597.24/117,741.80
  6. Step 6: Final answer
    x = 88,356.61

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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.