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Finding the Fourth Proportional to 207,069.80, 310,604.70 and 73,954.40

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Solution

The fourth proportional to 207,069.80, 310,604.70 and 73,954.40 is: 110,931.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,069.80 : 310,604.70 = 73,954.40 : x
  2. Step 2: Convert to fraction form
    207,069.80/310,604.70 = 73,954.40/x
  3. Step 3: Cross multiply
    207,069.80x = 310,604.70 × 73,954.40
  4. Step 4: Simplify right side
    207,069.80x = 22,970,584,225.68
  5. Step 5: Solve for x
    x = 22,970,584,225.68/207,069.80
  6. Step 6: Final answer
    x = 110,931.60

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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.