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Finding the Fourth Proportional to 116,409.96, 174,366.54 and 56,347.38

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Solution

The fourth proportional to 116,409.96, 174,366.54 and 56,347.38 is: 84,400.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,409.96 : 174,366.54 = 56,347.38 : x
  2. Step 2: Convert to fraction form
    116,409.96/174,366.54 = 56,347.38/x
  3. Step 3: Cross multiply
    116,409.96x = 174,366.54 × 56,347.38
  4. Step 4: Simplify right side
    116,409.96x = 9,825,097,688.67
  5. Step 5: Solve for x
    x = 9,825,097,688.67/116,409.96
  6. Step 6: Final answer
    x = 84,400.83

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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.