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Finding the Fourth Proportional to 119,178.68, 178,495.86 and 56,892.92

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Solution

The fourth proportional to 119,178.68, 178,495.86 and 56,892.92 is: 85,209.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,178.68 : 178,495.86 = 56,892.92 : x
  2. Step 2: Convert to fraction form
    119,178.68/178,495.86 = 56,892.92/x
  3. Step 3: Cross multiply
    119,178.68x = 178,495.86 × 56,892.92
  4. Step 4: Simplify right side
    119,178.68x = 10,155,150,683.31
  5. Step 5: Solve for x
    x = 10,155,150,683.31/119,178.68
  6. Step 6: Final answer
    x = 85,209.46

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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.