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Finding the Fourth Proportional to 88,124.80, 132,187.20 and 46,652.80

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Solution

The fourth proportional to 88,124.80, 132,187.20 and 46,652.80 is: 69,979.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,124.80 : 132,187.20 = 46,652.80 : x
  2. Step 2: Convert to fraction form
    88,124.80/132,187.20 = 46,652.80/x
  3. Step 3: Cross multiply
    88,124.80x = 132,187.20 × 46,652.80
  4. Step 4: Simplify right side
    88,124.80x = 6,166,903,004.16
  5. Step 5: Solve for x
    x = 6,166,903,004.16/88,124.80
  6. Step 6: Final answer
    x = 69,979.20

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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.