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Finding the Fourth Proportional to 357,767.01, 536,617.71 and 121,082.58

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Solution

The fourth proportional to 357,767.01, 536,617.71 and 121,082.58 is: 181,612.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,767.01 : 536,617.71 = 121,082.58 : x
  2. Step 2: Convert to fraction form
    357,767.01/536,617.71 = 121,082.58/x
  3. Step 3: Cross multiply
    357,767.01x = 536,617.71 × 121,082.58
  4. Step 4: Simplify right side
    357,767.01x = 64,975,056,800.49
  5. Step 5: Solve for x
    x = 64,975,056,800.49/357,767.01
  6. Step 6: Final answer
    x = 181,612.77

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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.