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Finding the Fourth Proportional to 177,859.52, 245,454 and 102,432.32

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Solution

The fourth proportional to 177,859.52, 245,454 and 102,432.32 is: 141,361.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,859.52 : 245,454 = 102,432.32 : x
  2. Step 2: Convert to fraction form
    177,859.52/245,454 = 102,432.32/x
  3. Step 3: Cross multiply
    177,859.52x = 245,454 × 102,432.32
  4. Step 4: Simplify right side
    177,859.52x = 25,142,422,673.28
  5. Step 5: Solve for x
    x = 25,142,422,673.28/177,859.52
  6. Step 6: Final answer
    x = 141,361.13

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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.