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Finding the Fourth Proportional to 165,366.63, 228,237.64 and 93,746.93

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Solution

The fourth proportional to 165,366.63, 228,237.64 and 93,746.93 is: 129,388.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,366.63 : 228,237.64 = 93,746.93 : x
  2. Step 2: Convert to fraction form
    165,366.63/228,237.64 = 93,746.93/x
  3. Step 3: Cross multiply
    165,366.63x = 228,237.64 × 93,746.93
  4. Step 4: Simplify right side
    165,366.63x = 21,396,578,060.45
  5. Step 5: Solve for x
    x = 21,396,578,060.45/165,366.63
  6. Step 6: Final answer
    x = 129,388.73

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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.