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Finding the Fourth Proportional to 143,595.76, 197,903.76 and 116,826.88

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Solution

The fourth proportional to 143,595.76, 197,903.76 and 116,826.88 is: 161,010.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,595.76 : 197,903.76 = 116,826.88 : x
  2. Step 2: Convert to fraction form
    143,595.76/197,903.76 = 116,826.88/x
  3. Step 3: Cross multiply
    143,595.76x = 197,903.76 × 116,826.88
  4. Step 4: Simplify right side
    143,595.76x = 23,120,478,821.07
  5. Step 5: Solve for x
    x = 23,120,478,821.07/143,595.76
  6. Step 6: Final answer
    x = 161,010.87

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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.