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Finding the Fourth Proportional to 207,206.66, 310,904.33 and 100,533.04

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Solution

The fourth proportional to 207,206.66, 310,904.33 and 100,533.04 is: 150,845.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,206.66 : 310,904.33 = 100,533.04 : x
  2. Step 2: Convert to fraction form
    207,206.66/310,904.33 = 100,533.04/x
  3. Step 3: Cross multiply
    207,206.66x = 310,904.33 × 100,533.04
  4. Step 4: Simplify right side
    207,206.66x = 31,256,156,164.14
  5. Step 5: Solve for x
    x = 31,256,156,164.14/207,206.66
  6. Step 6: Final answer
    x = 150,845.32

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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.