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Finding the Fourth Proportional to 303,035.76, 418,181.64 and 167,066.52

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Solution

The fourth proportional to 303,035.76, 418,181.64 and 167,066.52 is: 230,547.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,035.76 : 418,181.64 = 167,066.52 : x
  2. Step 2: Convert to fraction form
    303,035.76/418,181.64 = 167,066.52/x
  3. Step 3: Cross multiply
    303,035.76x = 418,181.64 × 167,066.52
  4. Step 4: Simplify right side
    303,035.76x = 69,864,151,322.69
  5. Step 5: Solve for x
    x = 69,864,151,322.69/303,035.76
  6. Step 6: Final answer
    x = 230,547.55

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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.