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Finding the Fourth Proportional to 59,746.56, 89,608.32 and 48,127.20

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Solution

The fourth proportional to 59,746.56, 89,608.32 and 48,127.20 is: 72,181.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,746.56 : 89,608.32 = 48,127.20 : x
  2. Step 2: Convert to fraction form
    59,746.56/89,608.32 = 48,127.20/x
  3. Step 3: Cross multiply
    59,746.56x = 89,608.32 × 48,127.20
  4. Step 4: Simplify right side
    59,746.56x = 4,312,597,538.30
  5. Step 5: Solve for x
    x = 4,312,597,538.30/59,746.56
  6. Step 6: Final answer
    x = 72,181.52

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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.