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Finding the Fourth Proportional to 249,367.76, 344,129.71 and 141,944.71

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Solution

The fourth proportional to 249,367.76, 344,129.71 and 141,944.71 is: 195,884.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,367.76 : 344,129.71 = 141,944.71 : x
  2. Step 2: Convert to fraction form
    249,367.76/344,129.71 = 141,944.71/x
  3. Step 3: Cross multiply
    249,367.76x = 344,129.71 × 141,944.71
  4. Step 4: Simplify right side
    249,367.76x = 48,847,389,457.96
  5. Step 5: Solve for x
    x = 48,847,389,457.96/249,367.76
  6. Step 6: Final answer
    x = 195,884.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.