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Finding the Fourth Proportional to 222,117.42, 333,170.58 and 103,921.02

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Solution

The fourth proportional to 222,117.42, 333,170.58 and 103,921.02 is: 155,878.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,117.42 : 333,170.58 = 103,921.02 : x
  2. Step 2: Convert to fraction form
    222,117.42/333,170.58 = 103,921.02/x
  3. Step 3: Cross multiply
    222,117.42x = 333,170.58 × 103,921.02
  4. Step 4: Simplify right side
    222,117.42x = 34,623,426,507.59
  5. Step 5: Solve for x
    x = 34,623,426,507.59/222,117.42
  6. Step 6: Final answer
    x = 155,878.93

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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.