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Finding the Fourth Proportional to 147,487.92, 221,091.72 and 94,029.84

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Solution

The fourth proportional to 147,487.92, 221,091.72 and 94,029.84 is: 140,955.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,487.92 : 221,091.72 = 94,029.84 : x
  2. Step 2: Convert to fraction form
    147,487.92/221,091.72 = 94,029.84/x
  3. Step 3: Cross multiply
    147,487.92x = 221,091.72 × 94,029.84
  4. Step 4: Simplify right side
    147,487.92x = 20,789,219,056.92
  5. Step 5: Solve for x
    x = 20,789,219,056.92/147,487.92
  6. Step 6: Final answer
    x = 140,955.40

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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.