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Finding the Fourth Proportional to 171,159.70, 256,048.35 and 148,042.90

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Solution

The fourth proportional to 171,159.70, 256,048.35 and 148,042.90 is: 221,466.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,159.70 : 256,048.35 = 148,042.90 : x
  2. Step 2: Convert to fraction form
    171,159.70/256,048.35 = 148,042.90/x
  3. Step 3: Cross multiply
    171,159.70x = 256,048.35 × 148,042.90
  4. Step 4: Simplify right side
    171,159.70x = 37,906,140,274.22
  5. Step 5: Solve for x
    x = 37,906,140,274.22/171,159.70
  6. Step 6: Final answer
    x = 221,466.50

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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.