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Finding the Fourth Proportional to 108,698.55, 150,004.02 and 60,951.93

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Solution

The fourth proportional to 108,698.55, 150,004.02 and 60,951.93 is: 84,113.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,698.55 : 150,004.02 = 60,951.93 : x
  2. Step 2: Convert to fraction form
    108,698.55/150,004.02 = 60,951.93/x
  3. Step 3: Cross multiply
    108,698.55x = 150,004.02 × 60,951.93
  4. Step 4: Simplify right side
    108,698.55x = 9,143,034,526.76
  5. Step 5: Solve for x
    x = 9,143,034,526.76/108,698.55
  6. Step 6: Final answer
    x = 84,113.68

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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.