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Finding the Fourth Proportional to 119,056.66, 164,308.28 and 65,350.77

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Solution

The fourth proportional to 119,056.66, 164,308.28 and 65,350.77 is: 90,189.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,056.66 : 164,308.28 = 65,350.77 : x
  2. Step 2: Convert to fraction form
    119,056.66/164,308.28 = 65,350.77/x
  3. Step 3: Cross multiply
    119,056.66x = 164,308.28 × 65,350.77
  4. Step 4: Simplify right side
    119,056.66x = 10,737,672,904.78
  5. Step 5: Solve for x
    x = 10,737,672,904.78/119,056.66
  6. Step 6: Final answer
    x = 90,189.60

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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.