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Finding the Fourth Proportional to 182,414.72, 273,388.79 and 77,088.80

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Solution

The fourth proportional to 182,414.72, 273,388.79 and 77,088.80 is: 115,534.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,414.72 : 273,388.79 = 77,088.80 : x
  2. Step 2: Convert to fraction form
    182,414.72/273,388.79 = 77,088.80/x
  3. Step 3: Cross multiply
    182,414.72x = 273,388.79 × 77,088.80
  4. Step 4: Simplify right side
    182,414.72x = 21,075,212,002.16
  5. Step 5: Solve for x
    x = 21,075,212,002.16/182,414.72
  6. Step 6: Final answer
    x = 115,534.60

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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.