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Finding the Fourth Proportional to 178,854.84, 246,814.56 and 101,323.26

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Solution

The fourth proportional to 178,854.84, 246,814.56 and 101,323.26 is: 139,823.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,854.84 : 246,814.56 = 101,323.26 : x
  2. Step 2: Convert to fraction form
    178,854.84/246,814.56 = 101,323.26/x
  3. Step 3: Cross multiply
    178,854.84x = 246,814.56 × 101,323.26
  4. Step 4: Simplify right side
    178,854.84x = 25,008,055,834.67
  5. Step 5: Solve for x
    x = 25,008,055,834.67/178,854.84
  6. Step 6: Final answer
    x = 139,823.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.