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Finding the Fourth Proportional to 149,507.76, 224,267.76 and 69,620.16

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Solution

The fourth proportional to 149,507.76, 224,267.76 and 69,620.16 is: 104,433.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,507.76 : 224,267.76 = 69,620.16 : x
  2. Step 2: Convert to fraction form
    149,507.76/224,267.76 = 69,620.16/x
  3. Step 3: Cross multiply
    149,507.76x = 224,267.76 × 69,620.16
  4. Step 4: Simplify right side
    149,507.76x = 15,613,557,334.04
  5. Step 5: Solve for x
    x = 15,613,557,334.04/149,507.76
  6. Step 6: Final answer
    x = 104,433.09

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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.