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Finding the Fourth Proportional to 119,457, 179,185.50 and 36,351

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Solution

The fourth proportional to 119,457, 179,185.50 and 36,351 is: 54,526.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,457 : 179,185.50 = 36,351 : x
  2. Step 2: Convert to fraction form
    119,457/179,185.50 = 36,351/x
  3. Step 3: Cross multiply
    119,457x = 179,185.50 × 36,351
  4. Step 4: Simplify right side
    119,457x = 6,513,572,110.50
  5. Step 5: Solve for x
    x = 6,513,572,110.50/119,457
  6. Step 6: Final answer
    x = 54,526.50

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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.