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Finding the Fourth Proportional to 101,520.60, 152,280.90 and 46,116.60

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Solution

The fourth proportional to 101,520.60, 152,280.90 and 46,116.60 is: 69,174.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,520.60 : 152,280.90 = 46,116.60 : x
  2. Step 2: Convert to fraction form
    101,520.60/152,280.90 = 46,116.60/x
  3. Step 3: Cross multiply
    101,520.60x = 152,280.90 × 46,116.60
  4. Step 4: Simplify right side
    101,520.60x = 7,022,677,352.94
  5. Step 5: Solve for x
    x = 7,022,677,352.94/101,520.60
  6. Step 6: Final answer
    x = 69,174.90

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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.