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Finding the Fourth Proportional to 165,576.48, 228,498.48 and 90,125.52

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Solution

The fourth proportional to 165,576.48, 228,498.48 and 90,125.52 is: 124,374.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,576.48 : 228,498.48 = 90,125.52 : x
  2. Step 2: Convert to fraction form
    165,576.48/228,498.48 = 90,125.52/x
  3. Step 3: Cross multiply
    165,576.48x = 228,498.48 × 90,125.52
  4. Step 4: Simplify right side
    165,576.48x = 20,593,544,329.21
  5. Step 5: Solve for x
    x = 20,593,544,329.21/165,576.48
  6. Step 6: Final answer
    x = 124,374.82

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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.