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Finding the Fourth Proportional to 155,853, 215,192.43 and 95,506.11

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Solution

The fourth proportional to 155,853, 215,192.43 and 95,506.11 is: 131,869.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,853 : 215,192.43 = 95,506.11 : x
  2. Step 2: Convert to fraction form
    155,853/215,192.43 = 95,506.11/x
  3. Step 3: Cross multiply
    155,853x = 215,192.43 × 95,506.11
  4. Step 4: Simplify right side
    155,853x = 20,552,191,890.75
  5. Step 5: Solve for x
    x = 20,552,191,890.75/155,853
  6. Step 6: Final answer
    x = 131,869.08

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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.