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Finding the Fourth Proportional to 248,315.52, 342,668.96 and 144,969.52

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Solution

The fourth proportional to 248,315.52, 342,668.96 and 144,969.52 is: 200,054.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,315.52 : 342,668.96 = 144,969.52 : x
  2. Step 2: Convert to fraction form
    248,315.52/342,668.96 = 144,969.52/x
  3. Step 3: Cross multiply
    248,315.52x = 342,668.96 × 144,969.52
  4. Step 4: Simplify right side
    248,315.52x = 49,676,554,650.10
  5. Step 5: Solve for x
    x = 49,676,554,650.10/248,315.52
  6. Step 6: Final answer
    x = 200,054.17

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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.