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Finding the Fourth Proportional to 165,608.97, 228,533.58 and 93,987.69

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Solution

The fourth proportional to 165,608.97, 228,533.58 and 93,987.69 is: 129,699.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,608.97 : 228,533.58 = 93,987.69 : x
  2. Step 2: Convert to fraction form
    165,608.97/228,533.58 = 93,987.69/x
  3. Step 3: Cross multiply
    165,608.97x = 228,533.58 × 93,987.69
  4. Step 4: Simplify right side
    165,608.97x = 21,479,343,271.63
  5. Step 5: Solve for x
    x = 21,479,343,271.63/165,608.97
  6. Step 6: Final answer
    x = 129,699.15

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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.