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Finding the Fourth Proportional to 127,374.29, 175,956.41 and 102,048.83

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Solution

The fourth proportional to 127,374.29, 175,956.41 and 102,048.83 is: 140,971.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,374.29 : 175,956.41 = 102,048.83 : x
  2. Step 2: Convert to fraction form
    127,374.29/175,956.41 = 102,048.83/x
  3. Step 3: Cross multiply
    127,374.29x = 175,956.41 × 102,048.83
  4. Step 4: Simplify right side
    127,374.29x = 17,956,145,261.26
  5. Step 5: Solve for x
    x = 17,956,145,261.26/127,374.29
  6. Step 6: Final answer
    x = 140,971.50

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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.