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Finding the Fourth Proportional to 249,030.54, 343,660.55 and 141,600.57

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Solution

The fourth proportional to 249,030.54, 343,660.55 and 141,600.57 is: 195,407.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,030.54 : 343,660.55 = 141,600.57 : x
  2. Step 2: Convert to fraction form
    249,030.54/343,660.55 = 141,600.57/x
  3. Step 3: Cross multiply
    249,030.54x = 343,660.55 × 141,600.57
  4. Step 4: Simplify right side
    249,030.54x = 48,662,527,769.78
  5. Step 5: Solve for x
    x = 48,662,527,769.78/249,030.54
  6. Step 6: Final answer
    x = 195,407.87

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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.