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Finding the Fourth Proportional to 163,937.80, 245,561.10 and 146,427.40

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Solution

The fourth proportional to 163,937.80, 245,561.10 and 146,427.40 is: 219,332.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,937.80 : 245,561.10 = 146,427.40 : x
  2. Step 2: Convert to fraction form
    163,937.80/245,561.10 = 146,427.40/x
  3. Step 3: Cross multiply
    163,937.80x = 245,561.10 × 146,427.40
  4. Step 4: Simplify right side
    163,937.80x = 35,956,873,414.14
  5. Step 5: Solve for x
    x = 35,956,873,414.14/163,937.80
  6. Step 6: Final answer
    x = 219,332.41

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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.