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Finding the Fourth Proportional to 153,645.43, 230,572.34 and 53,806.45

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Solution

The fourth proportional to 153,645.43, 230,572.34 and 53,806.45 is: 80,746.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,645.43 : 230,572.34 = 53,806.45 : x
  2. Step 2: Convert to fraction form
    153,645.43/230,572.34 = 53,806.45/x
  3. Step 3: Cross multiply
    153,645.43x = 230,572.34 × 53,806.45
  4. Step 4: Simplify right side
    153,645.43x = 12,406,279,083.59
  5. Step 5: Solve for x
    x = 12,406,279,083.59/153,645.43
  6. Step 6: Final answer
    x = 80,746.16

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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.