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Finding the Fourth Proportional to 119,161.96, 164,402.22 and 70,752.76

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Solution

The fourth proportional to 119,161.96, 164,402.22 and 70,752.76 is: 97,614.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,161.96 : 164,402.22 = 70,752.76 : x
  2. Step 2: Convert to fraction form
    119,161.96/164,402.22 = 70,752.76/x
  3. Step 3: Cross multiply
    119,161.96x = 164,402.22 × 70,752.76
  4. Step 4: Simplify right side
    119,161.96x = 11,631,910,815.13
  5. Step 5: Solve for x
    x = 11,631,910,815.13/119,161.96
  6. Step 6: Final answer
    x = 97,614.30

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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.