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Finding the Fourth Proportional to 163,013.70, 244,520.55 and 157,108.80

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Solution

The fourth proportional to 163,013.70, 244,520.55 and 157,108.80 is: 235,663.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,013.70 : 244,520.55 = 157,108.80 : x
  2. Step 2: Convert to fraction form
    163,013.70/244,520.55 = 157,108.80/x
  3. Step 3: Cross multiply
    163,013.70x = 244,520.55 × 157,108.80
  4. Step 4: Simplify right side
    163,013.70x = 38,416,330,185.84
  5. Step 5: Solve for x
    x = 38,416,330,185.84/163,013.70
  6. Step 6: Final answer
    x = 235,663.20

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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.