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Finding the Fourth Proportional to 175,788.49, 263,695.02 and 87,018.16

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Solution

The fourth proportional to 175,788.49, 263,695.02 and 87,018.16 is: 130,533.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,788.49 : 263,695.02 = 87,018.16 : x
  2. Step 2: Convert to fraction form
    175,788.49/263,695.02 = 87,018.16/x
  3. Step 3: Cross multiply
    175,788.49x = 263,695.02 × 87,018.16
  4. Step 4: Simplify right side
    175,788.49x = 22,946,255,441.56
  5. Step 5: Solve for x
    x = 22,946,255,441.56/175,788.49
  6. Step 6: Final answer
    x = 130,533.32

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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.