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Finding the Fourth Proportional to 242,803.30, 363,876.90 and 162,613.30

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Solution

The fourth proportional to 242,803.30, 363,876.90 and 162,613.30 is: 243,700.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,803.30 : 363,876.90 = 162,613.30 : x
  2. Step 2: Convert to fraction form
    242,803.30/363,876.90 = 162,613.30/x
  3. Step 3: Cross multiply
    242,803.30x = 363,876.90 × 162,613.30
  4. Step 4: Simplify right side
    242,803.30x = 59,171,223,502.77
  5. Step 5: Solve for x
    x = 59,171,223,502.77/242,803.30
  6. Step 6: Final answer
    x = 243,700.24

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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.