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Finding the Fourth Proportional to 116,493.40, 174,477.66 and 69,648.04

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Solution

The fourth proportional to 116,493.40, 174,477.66 and 69,648.04 is: 104,315.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,493.40 : 174,477.66 = 69,648.04 : x
  2. Step 2: Convert to fraction form
    116,493.40/174,477.66 = 69,648.04/x
  3. Step 3: Cross multiply
    116,493.40x = 174,477.66 × 69,648.04
  4. Step 4: Simplify right side
    116,493.40x = 12,152,027,042.79
  5. Step 5: Solve for x
    x = 12,152,027,042.79/116,493.40
  6. Step 6: Final answer
    x = 104,315.15

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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.