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Finding the Fourth Proportional to 179,875, 247,996.74 and 147,490.30

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Solution

The fourth proportional to 179,875, 247,996.74 and 147,490.30 is: 203,347.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,875 : 247,996.74 = 147,490.30 : x
  2. Step 2: Convert to fraction form
    179,875/247,996.74 = 147,490.30/x
  3. Step 3: Cross multiply
    179,875x = 247,996.74 × 147,490.30
  4. Step 4: Simplify right side
    179,875x = 36,577,113,581.62
  5. Step 5: Solve for x
    x = 36,577,113,581.62/179,875
  6. Step 6: Final answer
    x = 203,347.40

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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.