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Finding the Fourth Proportional to 156,928.40, 235,133.40 and 133,600.40

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Solution

The fourth proportional to 156,928.40, 235,133.40 and 133,600.40 is: 200,179.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,928.40 : 235,133.40 = 133,600.40 : x
  2. Step 2: Convert to fraction form
    156,928.40/235,133.40 = 133,600.40/x
  3. Step 3: Cross multiply
    156,928.40x = 235,133.40 × 133,600.40
  4. Step 4: Simplify right side
    156,928.40x = 31,413,916,293.36
  5. Step 5: Solve for x
    x = 31,413,916,293.36/156,928.40
  6. Step 6: Final answer
    x = 200,179.93

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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.