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Finding the Fourth Proportional to 222,431.04, 333,698.40 and 72,678.24

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Solution

The fourth proportional to 222,431.04, 333,698.40 and 72,678.24 is: 109,034.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,431.04 : 333,698.40 = 72,678.24 : x
  2. Step 2: Convert to fraction form
    222,431.04/333,698.40 = 72,678.24/x
  3. Step 3: Cross multiply
    222,431.04x = 333,698.40 × 72,678.24
  4. Step 4: Simplify right side
    222,431.04x = 24,252,612,402.82
  5. Step 5: Solve for x
    x = 24,252,612,402.82/222,431.04
  6. Step 6: Final answer
    x = 109,034.30

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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.