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Finding the Fourth Proportional to 242,354.48, 363,531.44 and 64,856.87

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Solution

The fourth proportional to 242,354.48, 363,531.44 and 64,856.87 is: 97,285.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,354.48 : 363,531.44 = 64,856.87 : x
  2. Step 2: Convert to fraction form
    242,354.48/363,531.44 = 64,856.87/x
  3. Step 3: Cross multiply
    242,354.48x = 363,531.44 × 64,856.87
  4. Step 4: Simplify right side
    242,354.48x = 23,577,509,203.05
  5. Step 5: Solve for x
    x = 23,577,509,203.05/242,354.48
  6. Step 6: Final answer
    x = 97,285.22

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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.