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Finding the Fourth Proportional to 121,677.99, 182,262.39 and 97,856.77

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Solution

The fourth proportional to 121,677.99, 182,262.39 and 97,856.77 is: 146,580.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,677.99 : 182,262.39 = 97,856.77 : x
  2. Step 2: Convert to fraction form
    121,677.99/182,262.39 = 97,856.77/x
  3. Step 3: Cross multiply
    121,677.99x = 182,262.39 × 97,856.77
  4. Step 4: Simplify right side
    121,677.99x = 17,835,608,847.45
  5. Step 5: Solve for x
    x = 17,835,608,847.45/121,677.99
  6. Step 6: Final answer
    x = 146,580.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.