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Finding the Fourth Proportional to 371,856.72, 558,014.04 and 147,178.92

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Solution

The fourth proportional to 371,856.72, 558,014.04 and 147,178.92 is: 220,859.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,856.72 : 558,014.04 = 147,178.92 : x
  2. Step 2: Convert to fraction form
    371,856.72/558,014.04 = 147,178.92/x
  3. Step 3: Cross multiply
    371,856.72x = 558,014.04 × 147,178.92
  4. Step 4: Simplify right side
    371,856.72x = 82,127,903,752.04
  5. Step 5: Solve for x
    x = 82,127,903,752.04/371,856.72
  6. Step 6: Final answer
    x = 220,859.00

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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.