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Finding the Fourth Proportional to 255,522.52, 352,627.59 and 142,347.70

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Solution

The fourth proportional to 255,522.52, 352,627.59 and 142,347.70 is: 196,443.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,522.52 : 352,627.59 = 142,347.70 : x
  2. Step 2: Convert to fraction form
    255,522.52/352,627.59 = 142,347.70/x
  3. Step 3: Cross multiply
    255,522.52x = 352,627.59 × 142,347.70
  4. Step 4: Simplify right side
    255,522.52x = 50,195,726,393.04
  5. Step 5: Solve for x
    x = 50,195,726,393.04/255,522.52
  6. Step 6: Final answer
    x = 196,443.45

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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.