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Finding the Fourth Proportional to 357,665.86, 536,148.87 and 170,808.58

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Solution

The fourth proportional to 357,665.86, 536,148.87 and 170,808.58 is: 256,045.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,665.86 : 536,148.87 = 170,808.58 : x
  2. Step 2: Convert to fraction form
    357,665.86/536,148.87 = 170,808.58/x
  3. Step 3: Cross multiply
    357,665.86x = 536,148.87 × 170,808.58
  4. Step 4: Simplify right side
    357,665.86x = 91,578,827,153.30
  5. Step 5: Solve for x
    x = 91,578,827,153.30/357,665.86
  6. Step 6: Final answer
    x = 256,045.76

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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.