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Finding the Fourth Proportional to 132,124.10, 197,858.10 and 105,880.10

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Solution

The fourth proportional to 132,124.10, 197,858.10 and 105,880.10 is: 158,557.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,124.10 : 197,858.10 = 105,880.10 : x
  2. Step 2: Convert to fraction form
    132,124.10/197,858.10 = 105,880.10/x
  3. Step 3: Cross multiply
    132,124.10x = 197,858.10 × 105,880.10
  4. Step 4: Simplify right side
    132,124.10x = 20,949,235,413.81
  5. Step 5: Solve for x
    x = 20,949,235,413.81/132,124.10
  6. Step 6: Final answer
    x = 158,557.26

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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.