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Finding the Fourth Proportional to 150,090.39, 224,774.78 and 85,853.84

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Solution

The fourth proportional to 150,090.39, 224,774.78 and 85,853.84 is: 128,574.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,090.39 : 224,774.78 = 85,853.84 : x
  2. Step 2: Convert to fraction form
    150,090.39/224,774.78 = 85,853.84/x
  3. Step 3: Cross multiply
    150,090.39x = 224,774.78 × 85,853.84
  4. Step 4: Simplify right side
    150,090.39x = 19,297,776,445.01
  5. Step 5: Solve for x
    x = 19,297,776,445.01/150,090.39
  6. Step 6: Final answer
    x = 128,574.36

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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.