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Finding the Fourth Proportional to 165,699.98, 228,651.94 and 93,097.21

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Solution

The fourth proportional to 165,699.98, 228,651.94 and 93,097.21 is: 128,466.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,699.98 : 228,651.94 = 93,097.21 : x
  2. Step 2: Convert to fraction form
    165,699.98/228,651.94 = 93,097.21/x
  3. Step 3: Cross multiply
    165,699.98x = 228,651.94 × 93,097.21
  4. Step 4: Simplify right side
    165,699.98x = 21,286,856,870.71
  5. Step 5: Solve for x
    x = 21,286,856,870.71/165,699.98
  6. Step 6: Final answer
    x = 128,466.26

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1.5x scale

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.