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Finding the Fourth Proportional to 237,970.58, 356,957.09 and 80,200.40

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Solution

The fourth proportional to 237,970.58, 356,957.09 and 80,200.40 is: 120,301.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,970.58 : 356,957.09 = 80,200.40 : x
  2. Step 2: Convert to fraction form
    237,970.58/356,957.09 = 80,200.40/x
  3. Step 3: Cross multiply
    237,970.58x = 356,957.09 × 80,200.40
  4. Step 4: Simplify right side
    237,970.58x = 28,628,100,999.83
  5. Step 5: Solve for x
    x = 28,628,100,999.83/237,970.58
  6. Step 6: Final answer
    x = 120,301.01

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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.