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Finding the Fourth Proportional to 119,599.81, 179,403.98 and 40,703.79

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Solution

The fourth proportional to 119,599.81, 179,403.98 and 40,703.79 is: 61,057.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,599.81 : 179,403.98 = 40,703.79 : x
  2. Step 2: Convert to fraction form
    119,599.81/179,403.98 = 40,703.79/x
  3. Step 3: Cross multiply
    119,599.81x = 179,403.98 × 40,703.79
  4. Step 4: Simplify right side
    119,599.81x = 7,302,421,927.08
  5. Step 5: Solve for x
    x = 7,302,421,927.08/119,599.81
  6. Step 6: Final answer
    x = 61,057.14

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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.