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Finding the Fourth Proportional to 191,615.93, 285,162.08 and 185,230.49

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Solution

The fourth proportional to 191,615.93, 285,162.08 and 185,230.49 is: 275,659.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,615.93 : 285,162.08 = 185,230.49 : x
  2. Step 2: Convert to fraction form
    191,615.93/285,162.08 = 185,230.49/x
  3. Step 3: Cross multiply
    191,615.93x = 285,162.08 × 185,230.49
  4. Step 4: Simplify right side
    191,615.93x = 52,820,709,636.22
  5. Step 5: Solve for x
    x = 52,820,709,636.22/191,615.93
  6. Step 6: Final answer
    x = 275,659.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.