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Finding the Fourth Proportional to 249,283.50, 343,999.27 and 141,843.48

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Solution

The fourth proportional to 249,283.50, 343,999.27 and 141,843.48 is: 195,737.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,283.50 : 343,999.27 = 141,843.48 : x
  2. Step 2: Convert to fraction form
    249,283.50/343,999.27 = 141,843.48/x
  3. Step 3: Cross multiply
    249,283.50x = 343,999.27 × 141,843.48
  4. Step 4: Simplify right side
    249,283.50x = 48,794,051,499.65
  5. Step 5: Solve for x
    x = 48,794,051,499.65/249,283.50
  6. Step 6: Final answer
    x = 195,737.19

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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.