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Finding the Fourth Proportional to 239,590.72, 359,435.66 and 97,436

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Solution

The fourth proportional to 239,590.72, 359,435.66 and 97,436 is: 146,174.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,590.72 : 359,435.66 = 97,436 : x
  2. Step 2: Convert to fraction form
    239,590.72/359,435.66 = 97,436/x
  3. Step 3: Cross multiply
    239,590.72x = 359,435.66 × 97,436
  4. Step 4: Simplify right side
    239,590.72x = 35,021,972,967.76
  5. Step 5: Solve for x
    x = 35,021,972,967.76/239,590.72
  6. Step 6: Final answer
    x = 146,174.16

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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.