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Finding the Fourth Proportional to 165,590.16, 228,518.76 and 93,980.88

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Solution

The fourth proportional to 165,590.16, 228,518.76 and 93,980.88 is: 129,696.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,590.16 : 228,518.76 = 93,980.88 : x
  2. Step 2: Convert to fraction form
    165,590.16/228,518.76 = 93,980.88/x
  3. Step 3: Cross multiply
    165,590.16x = 228,518.76 × 93,980.88
  4. Step 4: Simplify right side
    165,590.16x = 21,476,394,161.31
  5. Step 5: Solve for x
    x = 21,476,394,161.31/165,590.16
  6. Step 6: Final answer
    x = 129,696.08

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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.