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Finding the Fourth Proportional to 117,504.78, 176,259.44 and 28,759.05

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Solution

The fourth proportional to 117,504.78, 176,259.44 and 28,759.05 is: 43,139.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,504.78 : 176,259.44 = 28,759.05 : x
  2. Step 2: Convert to fraction form
    117,504.78/176,259.44 = 28,759.05/x
  3. Step 3: Cross multiply
    117,504.78x = 176,259.44 × 28,759.05
  4. Step 4: Simplify right side
    117,504.78x = 5,069,054,119.83
  5. Step 5: Solve for x
    x = 5,069,054,119.83/117,504.78
  6. Step 6: Final answer
    x = 43,139.13

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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.