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Finding the Fourth Proportional to 116,775.30, 175,218.24 and 69,483.86

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Solution

The fourth proportional to 116,775.30, 175,218.24 and 69,483.86 is: 104,258.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,775.30 : 175,218.24 = 69,483.86 : x
  2. Step 2: Convert to fraction form
    116,775.30/175,218.24 = 69,483.86/x
  3. Step 3: Cross multiply
    116,775.30x = 175,218.24 × 69,483.86
  4. Step 4: Simplify right side
    116,775.30x = 12,174,839,657.61
  5. Step 5: Solve for x
    x = 12,174,839,657.61/116,775.30
  6. Step 6: Final answer
    x = 104,258.69

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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.