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Finding the Fourth Proportional to 250,590.47, 375,845.72 and 73,055.97

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Solution

The fourth proportional to 250,590.47, 375,845.72 and 73,055.97 is: 109,572.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,590.47 : 375,845.72 = 73,055.97 : x
  2. Step 2: Convert to fraction form
    250,590.47/375,845.72 = 73,055.97/x
  3. Step 3: Cross multiply
    250,590.47x = 375,845.72 × 73,055.97
  4. Step 4: Simplify right side
    250,590.47x = 27,457,773,279.67
  5. Step 5: Solve for x
    x = 27,457,773,279.67/250,590.47
  6. Step 6: Final answer
    x = 109,572.30

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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.