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Finding the Fourth Proportional to 159,572.43, 218,613.33 and 153,589.77

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Solution

The fourth proportional to 159,572.43, 218,613.33 and 153,589.77 is: 210,417.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,572.43 : 218,613.33 = 153,589.77 : x
  2. Step 2: Convert to fraction form
    159,572.43/218,613.33 = 153,589.77/x
  3. Step 3: Cross multiply
    159,572.43x = 218,613.33 × 153,589.77
  4. Step 4: Simplify right side
    159,572.43x = 33,576,771,073.63
  5. Step 5: Solve for x
    x = 33,576,771,073.63/159,572.43
  6. Step 6: Final answer
    x = 210,417.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.