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Finding the Fourth Proportional to 133,590.17, 200,398.41 and 38,821.18

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Solution

The fourth proportional to 133,590.17, 200,398.41 and 38,821.18 is: 58,235.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,590.17 : 200,398.41 = 38,821.18 : x
  2. Step 2: Convert to fraction form
    133,590.17/200,398.41 = 38,821.18/x
  3. Step 3: Cross multiply
    133,590.17x = 200,398.41 × 38,821.18
  4. Step 4: Simplify right side
    133,590.17x = 7,779,702,148.27
  5. Step 5: Solve for x
    x = 7,779,702,148.27/133,590.17
  6. Step 6: Final answer
    x = 58,235.59

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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.