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Finding the Fourth Proportional to 78,857.52, 118,305.68 and 23,453.52

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Solution

The fourth proportional to 78,857.52, 118,305.68 and 23,453.52 is: 35,186.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,857.52 : 118,305.68 = 23,453.52 : x
  2. Step 2: Convert to fraction form
    78,857.52/118,305.68 = 23,453.52/x
  3. Step 3: Cross multiply
    78,857.52x = 118,305.68 × 23,453.52
  4. Step 4: Simplify right side
    78,857.52x = 2,774,684,631.99
  5. Step 5: Solve for x
    x = 2,774,684,631.99/78,857.52
  6. Step 6: Final answer
    x = 35,186.05

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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.