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Finding the Fourth Proportional to 104,075.52, 156,113.68 and 25,189.64

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Solution

The fourth proportional to 104,075.52, 156,113.68 and 25,189.64 is: 37,784.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,075.52 : 156,113.68 = 25,189.64 : x
  2. Step 2: Convert to fraction form
    104,075.52/156,113.68 = 25,189.64/x
  3. Step 3: Cross multiply
    104,075.52x = 156,113.68 × 25,189.64
  4. Step 4: Simplify right side
    104,075.52x = 3,932,447,398.28
  5. Step 5: Solve for x
    x = 3,932,447,398.28/104,075.52
  6. Step 6: Final answer
    x = 37,784.56

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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.