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Finding the Fourth Proportional to 164,032.80, 226,499.40 and 103,700.76

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Solution

The fourth proportional to 164,032.80, 226,499.40 and 103,700.76 is: 143,191.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,032.80 : 226,499.40 = 103,700.76 : x
  2. Step 2: Convert to fraction form
    164,032.80/226,499.40 = 103,700.76/x
  3. Step 3: Cross multiply
    164,032.80x = 226,499.40 × 103,700.76
  4. Step 4: Simplify right side
    164,032.80x = 23,488,159,919.54
  5. Step 5: Solve for x
    x = 23,488,159,919.54/164,032.80
  6. Step 6: Final answer
    x = 143,191.85

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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.