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Finding the Fourth Proportional to 182,075.52, 251,121.78 and 118,433.64

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Solution

The fourth proportional to 182,075.52, 251,121.78 and 118,433.64 is: 163,345.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,075.52 : 251,121.78 = 118,433.64 : x
  2. Step 2: Convert to fraction form
    182,075.52/251,121.78 = 118,433.64/x
  3. Step 3: Cross multiply
    182,075.52x = 251,121.78 × 118,433.64
  4. Step 4: Simplify right side
    182,075.52x = 29,741,266,488.68
  5. Step 5: Solve for x
    x = 29,741,266,488.68/182,075.52
  6. Step 6: Final answer
    x = 163,345.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.