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Finding the Fourth Proportional to 157,803.40, 236,706.30 and 52,622.20

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Solution

The fourth proportional to 157,803.40, 236,706.30 and 52,622.20 is: 78,933.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,803.40 : 236,706.30 = 52,622.20 : x
  2. Step 2: Convert to fraction form
    157,803.40/236,706.30 = 52,622.20/x
  3. Step 3: Cross multiply
    157,803.40x = 236,706.30 × 52,622.20
  4. Step 4: Simplify right side
    157,803.40x = 12,456,006,259.86
  5. Step 5: Solve for x
    x = 12,456,006,259.86/157,803.40
  6. Step 6: Final answer
    x = 78,933.70

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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.