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Finding the Fourth Proportional to 242,342.61, 363,508.71 and 64,849.60

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Solution

The fourth proportional to 242,342.61, 363,508.71 and 64,849.60 is: 97,273.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,342.61 : 363,508.71 = 64,849.60 : x
  2. Step 2: Convert to fraction form
    242,342.61/363,508.71 = 64,849.60/x
  3. Step 3: Cross multiply
    242,342.61x = 363,508.71 × 64,849.60
  4. Step 4: Simplify right side
    242,342.61x = 23,573,394,440.02
  5. Step 5: Solve for x
    x = 23,573,394,440.02/242,342.61
  6. Step 6: Final answer
    x = 97,273.01

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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.