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Finding the Fourth Proportional to 165,797.42, 228,800.40 and 90,345.92

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Solution

The fourth proportional to 165,797.42, 228,800.40 and 90,345.92 is: 124,677.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,797.42 : 228,800.40 = 90,345.92 : x
  2. Step 2: Convert to fraction form
    165,797.42/228,800.40 = 90,345.92/x
  3. Step 3: Cross multiply
    165,797.42x = 228,800.40 × 90,345.92
  4. Step 4: Simplify right side
    165,797.42x = 20,671,182,634.37
  5. Step 5: Solve for x
    x = 20,671,182,634.37/165,797.42
  6. Step 6: Final answer
    x = 124,677.35

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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.