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Finding the Fourth Proportional to 164,901.60, 247,352.40 and 163,917.45

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Solution

The fourth proportional to 164,901.60, 247,352.40 and 163,917.45 is: 245,876.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,901.60 : 247,352.40 = 163,917.45 : x
  2. Step 2: Convert to fraction form
    164,901.60/247,352.40 = 163,917.45/x
  3. Step 3: Cross multiply
    164,901.60x = 247,352.40 × 163,917.45
  4. Step 4: Simplify right side
    164,901.60x = 40,545,374,659.38
  5. Step 5: Solve for x
    x = 40,545,374,659.38/164,901.60
  6. Step 6: Final answer
    x = 245,876.18

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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.