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Finding the Fourth Proportional to 104,999.60, 144,886.92 and 59,661.20

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Solution

The fourth proportional to 104,999.60, 144,886.92 and 59,661.20 is: 82,325.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,999.60 : 144,886.92 = 59,661.20 : x
  2. Step 2: Convert to fraction form
    104,999.60/144,886.92 = 59,661.20/x
  3. Step 3: Cross multiply
    104,999.60x = 144,886.92 × 59,661.20
  4. Step 4: Simplify right side
    104,999.60x = 8,644,127,511.50
  5. Step 5: Solve for x
    x = 8,644,127,511.50/104,999.60
  6. Step 6: Final answer
    x = 82,325.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.