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Finding the Fourth Proportional to 93,508.90, 129,040.23 and 51,067.60

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Solution

The fourth proportional to 93,508.90, 129,040.23 and 51,067.60 is: 70,472.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,508.90 : 129,040.23 = 51,067.60 : x
  2. Step 2: Convert to fraction form
    93,508.90/129,040.23 = 51,067.60/x
  3. Step 3: Cross multiply
    93,508.90x = 129,040.23 × 51,067.60
  4. Step 4: Simplify right side
    93,508.90x = 6,589,774,849.55
  5. Step 5: Solve for x
    x = 6,589,774,849.55/93,508.90
  6. Step 6: Final answer
    x = 70,472.17

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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.