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Finding the Fourth Proportional to 165,607.20, 248,410.80 and 146,580.30

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Solution

The fourth proportional to 165,607.20, 248,410.80 and 146,580.30 is: 219,870.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,607.20 : 248,410.80 = 146,580.30 : x
  2. Step 2: Convert to fraction form
    165,607.20/248,410.80 = 146,580.30/x
  3. Step 3: Cross multiply
    165,607.20x = 248,410.80 × 146,580.30
  4. Step 4: Simplify right side
    165,607.20x = 36,412,129,587.24
  5. Step 5: Solve for x
    x = 36,412,129,587.24/165,607.20
  6. Step 6: Final answer
    x = 219,870.45

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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.