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Finding the Fourth Proportional to 222,444.60, 333,685.38 and 72,681.72

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Solution

The fourth proportional to 222,444.60, 333,685.38 and 72,681.72 is: 109,028.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,444.60 : 333,685.38 = 72,681.72 : x
  2. Step 2: Convert to fraction form
    222,444.60/333,685.38 = 72,681.72/x
  3. Step 3: Cross multiply
    222,444.60x = 333,685.38 × 72,681.72
  4. Step 4: Simplify right side
    222,444.60x = 24,252,827,357.25
  5. Step 5: Solve for x
    x = 24,252,827,357.25/222,444.60
  6. Step 6: Final answer
    x = 109,028.62

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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.