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Finding the Fourth Proportional to 140,411.62, 210,804.27 and 73,898.46

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Solution

The fourth proportional to 140,411.62, 210,804.27 and 73,898.46 is: 110,946.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,411.62 : 210,804.27 = 73,898.46 : x
  2. Step 2: Convert to fraction form
    140,411.62/210,804.27 = 73,898.46/x
  3. Step 3: Cross multiply
    140,411.62x = 210,804.27 × 73,898.46
  4. Step 4: Simplify right side
    140,411.62x = 15,578,110,914.42
  5. Step 5: Solve for x
    x = 15,578,110,914.42/140,411.62
  6. Step 6: Final answer
    x = 110,946.02

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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.