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Finding the Fourth Proportional to 101,385.60, 152,078.40 and 27,513.60

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Solution

The fourth proportional to 101,385.60, 152,078.40 and 27,513.60 is: 41,270.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,385.60 : 152,078.40 = 27,513.60 : x
  2. Step 2: Convert to fraction form
    101,385.60/152,078.40 = 27,513.60/x
  3. Step 3: Cross multiply
    101,385.60x = 152,078.40 × 27,513.60
  4. Step 4: Simplify right side
    101,385.60x = 4,184,224,266.24
  5. Step 5: Solve for x
    x = 4,184,224,266.24/101,385.60
  6. Step 6: Final answer
    x = 41,270.40

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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.