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Finding the Fourth Proportional to 306,167.99, 459,460.96 and 106,486.38

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Solution

The fourth proportional to 306,167.99, 459,460.96 and 106,486.38 is: 159,802.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,167.99 : 459,460.96 = 106,486.38 : x
  2. Step 2: Convert to fraction form
    306,167.99/459,460.96 = 106,486.38/x
  3. Step 3: Cross multiply
    306,167.99x = 459,460.96 × 106,486.38
  4. Step 4: Simplify right side
    306,167.99x = 48,926,334,115.51
  5. Step 5: Solve for x
    x = 48,926,334,115.51/306,167.99
  6. Step 6: Final answer
    x = 159,802.25

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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.