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Finding the Fourth Proportional to 116,573.61, 174,834.30 and 45,498.15

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Solution

The fourth proportional to 116,573.61, 174,834.30 and 45,498.15 is: 68,237.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,573.61 : 174,834.30 = 45,498.15 : x
  2. Step 2: Convert to fraction form
    116,573.61/174,834.30 = 45,498.15/x
  3. Step 3: Cross multiply
    116,573.61x = 174,834.30 × 45,498.15
  4. Step 4: Simplify right side
    116,573.61x = 7,954,637,206.55
  5. Step 5: Solve for x
    x = 7,954,637,206.55/116,573.61
  6. Step 6: Final answer
    x = 68,237.03

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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.