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Finding the Fourth Proportional to 357,666.55, 536,582.92 and 104,936.83

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Solution

The fourth proportional to 357,666.55, 536,582.92 and 104,936.83 is: 157,429.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,666.55 : 536,582.92 = 104,936.83 : x
  2. Step 2: Convert to fraction form
    357,666.55/536,582.92 = 104,936.83/x
  3. Step 3: Cross multiply
    357,666.55x = 536,582.92 × 104,936.83
  4. Step 4: Simplify right side
    357,666.55x = 56,307,310,656.94
  5. Step 5: Solve for x
    x = 56,307,310,656.94/357,666.55
  6. Step 6: Final answer
    x = 157,429.62

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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.