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Finding the Fourth Proportional to 119,359.60, 179,039.40 and 56,140.42

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Solution

The fourth proportional to 119,359.60, 179,039.40 and 56,140.42 is: 84,210.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,359.60 : 179,039.40 = 56,140.42 : x
  2. Step 2: Convert to fraction form
    119,359.60/179,039.40 = 56,140.42/x
  3. Step 3: Cross multiply
    119,359.60x = 179,039.40 × 56,140.42
  4. Step 4: Simplify right side
    119,359.60x = 10,051,347,112.55
  5. Step 5: Solve for x
    x = 10,051,347,112.55/119,359.60
  6. Step 6: Final answer
    x = 84,210.63

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1.5x scale

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.