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Finding the Fourth Proportional to 165,532.80, 228,435.59 and 93,898.98

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Solution

The fourth proportional to 165,532.80, 228,435.59 and 93,898.98 is: 129,580.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,532.80 : 228,435.59 = 93,898.98 : x
  2. Step 2: Convert to fraction form
    165,532.80/228,435.59 = 93,898.98/x
  3. Step 3: Cross multiply
    165,532.80x = 228,435.59 × 93,898.98
  4. Step 4: Simplify right side
    165,532.80x = 21,449,868,427.20
  5. Step 5: Solve for x
    x = 21,449,868,427.20/165,532.80
  6. Step 6: Final answer
    x = 129,580.77

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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.