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Finding the Fourth Proportional to 170,599.94, 235,178.70 and 119,451.50

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Solution

The fourth proportional to 170,599.94, 235,178.70 and 119,451.50 is: 164,668.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,599.94 : 235,178.70 = 119,451.50 : x
  2. Step 2: Convert to fraction form
    170,599.94/235,178.70 = 119,451.50/x
  3. Step 3: Cross multiply
    170,599.94x = 235,178.70 × 119,451.50
  4. Step 4: Simplify right side
    170,599.94x = 28,092,448,483.05
  5. Step 5: Solve for x
    x = 28,092,448,483.05/170,599.94
  6. Step 6: Final answer
    x = 164,668.57

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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.