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Finding the Fourth Proportional to 255,269.15, 352,265.60 and 159,828.47

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Solution

The fourth proportional to 255,269.15, 352,265.60 and 159,828.47 is: 220,559.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,269.15 : 352,265.60 = 159,828.47 : x
  2. Step 2: Convert to fraction form
    255,269.15/352,265.60 = 159,828.47/x
  3. Step 3: Cross multiply
    255,269.15x = 352,265.60 × 159,828.47
  4. Step 4: Simplify right side
    255,269.15x = 56,302,071,082.49
  5. Step 5: Solve for x
    x = 56,302,071,082.49/255,269.15
  6. Step 6: Final answer
    x = 220,559.64

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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.