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Finding the Fourth Proportional to 175,648, 242,328.08 and 115,251.98

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Solution

The fourth proportional to 175,648, 242,328.08 and 115,251.98 is: 159,004.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,648 : 242,328.08 = 115,251.98 : x
  2. Step 2: Convert to fraction form
    175,648/242,328.08 = 115,251.98/x
  3. Step 3: Cross multiply
    175,648x = 242,328.08 × 115,251.98
  4. Step 4: Simplify right side
    175,648x = 27,928,791,029.60
  5. Step 5: Solve for x
    x = 27,928,791,029.60/175,648
  6. Step 6: Final answer
    x = 159,004.32

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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.