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Finding the Fourth Proportional to 255,144.52, 352,113.24 and 141,969.70

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Solution

The fourth proportional to 255,144.52, 352,113.24 and 141,969.70 is: 195,925.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,144.52 : 352,113.24 = 141,969.70 : x
  2. Step 2: Convert to fraction form
    255,144.52/352,113.24 = 141,969.70/x
  3. Step 3: Cross multiply
    255,144.52x = 352,113.24 × 141,969.70
  4. Step 4: Simplify right side
    255,144.52x = 49,989,411,048.83
  5. Step 5: Solve for x
    x = 49,989,411,048.83/255,144.52
  6. Step 6: Final answer
    x = 195,925.87

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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.