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Finding the Fourth Proportional to 222,008.79, 306,167.64 and 145,500.02

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Solution

The fourth proportional to 222,008.79, 306,167.64 and 145,500.02 is: 200,656.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,008.79 : 306,167.64 = 145,500.02 : x
  2. Step 2: Convert to fraction form
    222,008.79/306,167.64 = 145,500.02/x
  3. Step 3: Cross multiply
    222,008.79x = 306,167.64 × 145,500.02
  4. Step 4: Simplify right side
    222,008.79x = 44,547,396,212.51
  5. Step 5: Solve for x
    x = 44,547,396,212.51/222,008.79
  6. Step 6: Final answer
    x = 200,656.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.