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Finding the Fourth Proportional to 105,083.30, 157,620.51 and 48,904.05

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Solution

The fourth proportional to 105,083.30, 157,620.51 and 48,904.05 is: 73,354.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,083.30 : 157,620.51 = 48,904.05 : x
  2. Step 2: Convert to fraction form
    105,083.30/157,620.51 = 48,904.05/x
  3. Step 3: Cross multiply
    105,083.30x = 157,620.51 × 48,904.05
  4. Step 4: Simplify right side
    105,083.30x = 7,708,281,755.60
  5. Step 5: Solve for x
    x = 7,708,281,755.60/105,083.30
  6. Step 6: Final answer
    x = 73,354.01

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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.