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Finding the Fourth Proportional to 147,124, 220,686.56 and 36,316

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Solution

The fourth proportional to 147,124, 220,686.56 and 36,316 is: 54,474.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,124 : 220,686.56 = 36,316 : x
  2. Step 2: Convert to fraction form
    147,124/220,686.56 = 36,316/x
  3. Step 3: Cross multiply
    147,124x = 220,686.56 × 36,316
  4. Step 4: Simplify right side
    147,124x = 8,014,453,112.96
  5. Step 5: Solve for x
    x = 8,014,453,112.96/147,124
  6. Step 6: Final answer
    x = 54,474.14

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.