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Finding the Fourth Proportional to 165,866.18, 228,894.98 and 93,269.32

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Solution

The fourth proportional to 165,866.18, 228,894.98 and 93,269.32 is: 128,711.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,866.18 : 228,894.98 = 93,269.32 : x
  2. Step 2: Convert to fraction form
    165,866.18/228,894.98 = 93,269.32/x
  3. Step 3: Cross multiply
    165,866.18x = 228,894.98 × 93,269.32
  4. Step 4: Simplify right side
    165,866.18x = 21,348,879,136.01
  5. Step 5: Solve for x
    x = 21,348,879,136.01/165,866.18
  6. Step 6: Final answer
    x = 128,711.47

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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.