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Finding the Fourth Proportional to 258,937.76, 357,444.56 and 174,104

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Solution

The fourth proportional to 258,937.76, 357,444.56 and 174,104 is: 240,337.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,937.76 : 357,444.56 = 174,104 : x
  2. Step 2: Convert to fraction form
    258,937.76/357,444.56 = 174,104/x
  3. Step 3: Cross multiply
    258,937.76x = 357,444.56 × 174,104
  4. Step 4: Simplify right side
    258,937.76x = 62,232,527,674.24
  5. Step 5: Solve for x
    x = 62,232,527,674.24/258,937.76
  6. Step 6: Final answer
    x = 240,337.78

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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.