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Finding the Fourth Proportional to 357,665.55, 536,581.42 and 104,935.83

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Solution

The fourth proportional to 357,665.55, 536,581.42 and 104,935.83 is: 157,428.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,665.55 : 536,581.42 = 104,935.83 : x
  2. Step 2: Convert to fraction form
    357,665.55/536,581.42 = 104,935.83/x
  3. Step 3: Cross multiply
    357,665.55x = 536,581.42 × 104,935.83
  4. Step 4: Simplify right side
    357,665.55x = 56,306,616,670.28
  5. Step 5: Solve for x
    x = 56,306,616,670.28/357,665.55
  6. Step 6: Final answer
    x = 157,428.12

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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.