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Finding the Fourth Proportional to 164,512.80, 247,287.60 and 152,071.20

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Solution

The fourth proportional to 164,512.80, 247,287.60 and 152,071.20 is: 228,585.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,512.80 : 247,287.60 = 152,071.20 : x
  2. Step 2: Convert to fraction form
    164,512.80/247,287.60 = 152,071.20/x
  3. Step 3: Cross multiply
    164,512.80x = 247,287.60 × 152,071.20
  4. Step 4: Simplify right side
    164,512.80x = 37,605,322,077.12
  5. Step 5: Solve for x
    x = 37,605,322,077.12/164,512.80
  6. Step 6: Final answer
    x = 228,585.99

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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.