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Finding the Fourth Proportional to 156,683.60, 235,025.40 and 119,358.80

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Solution

The fourth proportional to 156,683.60, 235,025.40 and 119,358.80 is: 179,038.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,683.60 : 235,025.40 = 119,358.80 : x
  2. Step 2: Convert to fraction form
    156,683.60/235,025.40 = 119,358.80/x
  3. Step 3: Cross multiply
    156,683.60x = 235,025.40 × 119,358.80
  4. Step 4: Simplify right side
    156,683.60x = 28,052,349,713.52
  5. Step 5: Solve for x
    x = 28,052,349,713.52/156,683.60
  6. Step 6: Final answer
    x = 179,038.20

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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.