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Finding the Fourth Proportional to 117,051.40, 175,317.90 and 96,315.40

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Solution

The fourth proportional to 117,051.40, 175,317.90 and 96,315.40 is: 144,259.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,051.40 : 175,317.90 = 96,315.40 : x
  2. Step 2: Convert to fraction form
    117,051.40/175,317.90 = 96,315.40/x
  3. Step 3: Cross multiply
    117,051.40x = 175,317.90 × 96,315.40
  4. Step 4: Simplify right side
    117,051.40x = 16,885,813,665.66
  5. Step 5: Solve for x
    x = 16,885,813,665.66/117,051.40
  6. Step 6: Final answer
    x = 144,259.82

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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.