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Finding the Fourth Proportional to 234,083.55, 322,947.90 and 153,555.78

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Solution

The fourth proportional to 234,083.55, 322,947.90 and 153,555.78 is: 211,849.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,083.55 : 322,947.90 = 153,555.78 : x
  2. Step 2: Convert to fraction form
    234,083.55/322,947.90 = 153,555.78/x
  3. Step 3: Cross multiply
    234,083.55x = 322,947.90 × 153,555.78
  4. Step 4: Simplify right side
    234,083.55x = 49,590,516,683.86
  5. Step 5: Solve for x
    x = 49,590,516,683.86/234,083.55
  6. Step 6: Final answer
    x = 211,849.64

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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.