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Finding the Fourth Proportional to 164,518.80, 246,875.40 and 108,520.80

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Solution

The fourth proportional to 164,518.80, 246,875.40 and 108,520.80 is: 162,845.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,518.80 : 246,875.40 = 108,520.80 : x
  2. Step 2: Convert to fraction form
    164,518.80/246,875.40 = 108,520.80/x
  3. Step 3: Cross multiply
    164,518.80x = 246,875.40 × 108,520.80
  4. Step 4: Simplify right side
    164,518.80x = 26,791,115,908.32
  5. Step 5: Solve for x
    x = 26,791,115,908.32/164,518.80
  6. Step 6: Final answer
    x = 162,845.32

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1.5x scale

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.