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Finding the Fourth Proportional to 164,557.40, 246,212.10 and 109,261.40

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Solution

The fourth proportional to 164,557.40, 246,212.10 and 109,261.40 is: 163,477.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,557.40 : 246,212.10 = 109,261.40 : x
  2. Step 2: Convert to fraction form
    164,557.40/246,212.10 = 109,261.40/x
  3. Step 3: Cross multiply
    164,557.40x = 246,212.10 × 109,261.40
  4. Step 4: Simplify right side
    164,557.40x = 26,901,478,742.94
  5. Step 5: Solve for x
    x = 26,901,478,742.94/164,557.40
  6. Step 6: Final answer
    x = 163,477.78

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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.