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Finding the Fourth Proportional to 140,465.58, 210,654.45 and 46,949.46

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Solution

The fourth proportional to 140,465.58, 210,654.45 and 46,949.46 is: 70,409.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,465.58 : 210,654.45 = 46,949.46 : x
  2. Step 2: Convert to fraction form
    140,465.58/210,654.45 = 46,949.46/x
  3. Step 3: Cross multiply
    140,465.58x = 210,654.45 × 46,949.46
  4. Step 4: Simplify right side
    140,465.58x = 9,890,112,674.10
  5. Step 5: Solve for x
    x = 9,890,112,674.10/140,465.58
  6. Step 6: Final answer
    x = 70,409.51

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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.