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Finding the Fourth Proportional to 164,572.60, 246,688.80 and 89,534.20

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Solution

The fourth proportional to 164,572.60, 246,688.80 and 89,534.20 is: 134,208.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,572.60 : 246,688.80 = 89,534.20 : x
  2. Step 2: Convert to fraction form
    164,572.60/246,688.80 = 89,534.20/x
  3. Step 3: Cross multiply
    164,572.60x = 246,688.80 × 89,534.20
  4. Step 4: Simplify right side
    164,572.60x = 22,087,084,356.96
  5. Step 5: Solve for x
    x = 22,087,084,356.96/164,572.60
  6. Step 6: Final answer
    x = 134,208.76

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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.