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Finding the Fourth Proportional to 191,230.73, 264,006.51 and 145,549.97

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Solution

The fourth proportional to 191,230.73, 264,006.51 and 145,549.97 is: 200,941.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,230.73 : 264,006.51 = 145,549.97 : x
  2. Step 2: Convert to fraction form
    191,230.73/264,006.51 = 145,549.97/x
  3. Step 3: Cross multiply
    191,230.73x = 264,006.51 × 145,549.97
  4. Step 4: Simplify right side
    191,230.73x = 38,426,139,610.30
  5. Step 5: Solve for x
    x = 38,426,139,610.30/191,230.73
  6. Step 6: Final answer
    x = 200,941.24

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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.