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Finding the Fourth Proportional to 171,004.58, 256,283.22 and 91,948.58

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Solution

The fourth proportional to 171,004.58, 256,283.22 and 91,948.58 is: 137,802.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,004.58 : 256,283.22 = 91,948.58 : x
  2. Step 2: Convert to fraction form
    171,004.58/256,283.22 = 91,948.58/x
  3. Step 3: Cross multiply
    171,004.58x = 256,283.22 × 91,948.58
  4. Step 4: Simplify right side
    171,004.58x = 23,564,878,156.83
  5. Step 5: Solve for x
    x = 23,564,878,156.83/171,004.58
  6. Step 6: Final answer
    x = 137,802.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.