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Finding the Fourth Proportional to 153,590.71, 230,489.86 and 53,751.80

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Solution

The fourth proportional to 153,590.71, 230,489.86 and 53,751.80 is: 80,664.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,590.71 : 230,489.86 = 53,751.80 : x
  2. Step 2: Convert to fraction form
    153,590.71/230,489.86 = 53,751.80/x
  3. Step 3: Cross multiply
    153,590.71x = 230,489.86 × 53,751.80
  4. Step 4: Simplify right side
    153,590.71x = 12,389,243,704.30
  5. Step 5: Solve for x
    x = 12,389,243,704.30/153,590.71
  6. Step 6: Final answer
    x = 80,664.02

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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.