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Finding the Fourth Proportional to 182,245.80, 273,388.16 and 77,075.40

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Solution

The fourth proportional to 182,245.80, 273,388.16 and 77,075.40 is: 115,621.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,245.80 : 273,388.16 = 77,075.40 : x
  2. Step 2: Convert to fraction form
    182,245.80/273,388.16 = 77,075.40/x
  3. Step 3: Cross multiply
    182,245.80x = 273,388.16 × 77,075.40
  4. Step 4: Simplify right side
    182,245.80x = 21,071,501,787.26
  5. Step 5: Solve for x
    x = 21,071,501,787.26/182,245.80
  6. Step 6: Final answer
    x = 115,621.33

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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.