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Finding the Fourth Proportional to 354,551.26, 531,831.53 and 117,893.93

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Solution

The fourth proportional to 354,551.26, 531,831.53 and 117,893.93 is: 176,842.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,551.26 : 531,831.53 = 117,893.93 : x
  2. Step 2: Convert to fraction form
    354,551.26/531,831.53 = 117,893.93/x
  3. Step 3: Cross multiply
    354,551.26x = 531,831.53 × 117,893.93
  4. Step 4: Simplify right side
    354,551.26x = 62,699,709,169.61
  5. Step 5: Solve for x
    x = 62,699,709,169.61/354,551.26
  6. Step 6: Final answer
    x = 176,842.44

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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.