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Finding the Fourth Proportional to 249,031.67, 343,662.10 and 141,601.69

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Solution

The fourth proportional to 249,031.67, 343,662.10 and 141,601.69 is: 195,409.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,031.67 : 343,662.10 = 141,601.69 : x
  2. Step 2: Convert to fraction form
    249,031.67/343,662.10 = 141,601.69/x
  3. Step 3: Cross multiply
    249,031.67x = 343,662.10 × 141,601.69
  4. Step 4: Simplify right side
    249,031.67x = 48,663,134,991.94
  5. Step 5: Solve for x
    x = 48,663,134,991.94/249,031.67
  6. Step 6: Final answer
    x = 195,409.42

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1.5x scale

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.