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Finding the Fourth Proportional to 303,741.70, 455,612.55 and 162,024.10

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Solution

The fourth proportional to 303,741.70, 455,612.55 and 162,024.10 is: 243,036.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,741.70 : 455,612.55 = 162,024.10 : x
  2. Step 2: Convert to fraction form
    303,741.70/455,612.55 = 162,024.10/x
  3. Step 3: Cross multiply
    303,741.70x = 455,612.55 × 162,024.10
  4. Step 4: Simplify right side
    303,741.70x = 73,820,213,362.46
  5. Step 5: Solve for x
    x = 73,820,213,362.46/303,741.70
  6. Step 6: Final answer
    x = 243,036.15

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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.