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Finding the Fourth Proportional to 254,652.16, 381,978.30 and 94,707.19

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Solution

The fourth proportional to 254,652.16, 381,978.30 and 94,707.19 is: 142,060.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,652.16 : 381,978.30 = 94,707.19 : x
  2. Step 2: Convert to fraction form
    254,652.16/381,978.30 = 94,707.19/x
  3. Step 3: Cross multiply
    254,652.16x = 381,978.30 × 94,707.19
  4. Step 4: Simplify right side
    254,652.16x = 36,176,090,956.50
  5. Step 5: Solve for x
    x = 36,176,090,956.50/254,652.16
  6. Step 6: Final answer
    x = 142,060.81

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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.