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Finding the Fourth Proportional to 249,141.81, 373,843.94 and 108,998.85

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Solution

The fourth proportional to 249,141.81, 373,843.94 and 108,998.85 is: 163,555.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,141.81 : 373,843.94 = 108,998.85 : x
  2. Step 2: Convert to fraction form
    249,141.81/373,843.94 = 108,998.85/x
  3. Step 3: Cross multiply
    249,141.81x = 373,843.94 × 108,998.85
  4. Step 4: Simplify right side
    249,141.81x = 40,748,558,994.47
  5. Step 5: Solve for x
    x = 40,748,558,994.47/249,141.81
  6. Step 6: Final answer
    x = 163,555.68

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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.