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Finding the Fourth Proportional to 222,783.90, 334,175.85 and 117,807.90

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Solution

The fourth proportional to 222,783.90, 334,175.85 and 117,807.90 is: 176,711.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,783.90 : 334,175.85 = 117,807.90 : x
  2. Step 2: Convert to fraction form
    222,783.90/334,175.85 = 117,807.90/x
  3. Step 3: Cross multiply
    222,783.90x = 334,175.85 × 117,807.90
  4. Step 4: Simplify right side
    222,783.90x = 39,368,555,119.22
  5. Step 5: Solve for x
    x = 39,368,555,119.22/222,783.90
  6. Step 6: Final answer
    x = 176,711.85

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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.