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Finding the Fourth Proportional to 242,538.88, 363,719.64 and 92,705.08

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Solution

The fourth proportional to 242,538.88, 363,719.64 and 92,705.08 is: 139,023.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,538.88 : 363,719.64 = 92,705.08 : x
  2. Step 2: Convert to fraction form
    242,538.88/363,719.64 = 92,705.08/x
  3. Step 3: Cross multiply
    242,538.88x = 363,719.64 × 92,705.08
  4. Step 4: Simplify right side
    242,538.88x = 33,718,658,323.77
  5. Step 5: Solve for x
    x = 33,718,658,323.77/242,538.88
  6. Step 6: Final answer
    x = 139,023.72

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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.