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Finding the Fourth Proportional to 249,155.49, 343,852.83 and 141,760.02

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Solution

The fourth proportional to 249,155.49, 343,852.83 and 141,760.02 is: 195,639.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,155.49 : 343,852.83 = 141,760.02 : x
  2. Step 2: Convert to fraction form
    249,155.49/343,852.83 = 141,760.02/x
  3. Step 3: Cross multiply
    249,155.49x = 343,852.83 × 141,760.02
  4. Step 4: Simplify right side
    249,155.49x = 48,744,584,057.86
  5. Step 5: Solve for x
    x = 48,744,584,057.86/249,155.49
  6. Step 6: Final answer
    x = 195,639.21

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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.