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Finding the Fourth Proportional to 104,229.32, 143,836.98 and 61,237.76

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Solution

The fourth proportional to 104,229.32, 143,836.98 and 61,237.76 is: 84,508.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,229.32 : 143,836.98 = 61,237.76 : x
  2. Step 2: Convert to fraction form
    104,229.32/143,836.98 = 61,237.76/x
  3. Step 3: Cross multiply
    104,229.32x = 143,836.98 × 61,237.76
  4. Step 4: Simplify right side
    104,229.32x = 8,808,254,460.36
  5. Step 5: Solve for x
    x = 8,808,254,460.36/104,229.32
  6. Step 6: Final answer
    x = 84,508.41

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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.