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Finding the Fourth Proportional to 191,996.96, 288,032.50 and 73,659.06

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Solution

The fourth proportional to 191,996.96, 288,032.50 and 73,659.06 is: 110,502.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,996.96 : 288,032.50 = 73,659.06 : x
  2. Step 2: Convert to fraction form
    191,996.96/288,032.50 = 73,659.06/x
  3. Step 3: Cross multiply
    191,996.96x = 288,032.50 × 73,659.06
  4. Step 4: Simplify right side
    191,996.96x = 21,216,203,199.45
  5. Step 5: Solve for x
    x = 21,216,203,199.45/191,996.96
  6. Step 6: Final answer
    x = 110,502.81

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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.