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Finding the Fourth Proportional to 159,502.80, 239,254.20 and 153,379.20

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Solution

The fourth proportional to 159,502.80, 239,254.20 and 153,379.20 is: 230,068.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,502.80 : 239,254.20 = 153,379.20 : x
  2. Step 2: Convert to fraction form
    159,502.80/239,254.20 = 153,379.20/x
  3. Step 3: Cross multiply
    159,502.80x = 239,254.20 × 153,379.20
  4. Step 4: Simplify right side
    159,502.80x = 36,696,617,792.64
  5. Step 5: Solve for x
    x = 36,696,617,792.64/159,502.80
  6. Step 6: Final answer
    x = 230,068.80

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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.