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Finding the Fourth Proportional to 176,035.40, 264,053.10 and 105,878.60

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Solution

The fourth proportional to 176,035.40, 264,053.10 and 105,878.60 is: 158,817.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,035.40 : 264,053.10 = 105,878.60 : x
  2. Step 2: Convert to fraction form
    176,035.40/264,053.10 = 105,878.60/x
  3. Step 3: Cross multiply
    176,035.40x = 264,053.10 × 105,878.60
  4. Step 4: Simplify right side
    176,035.40x = 27,957,572,553.66
  5. Step 5: Solve for x
    x = 27,957,572,553.66/176,035.40
  6. Step 6: Final answer
    x = 158,817.90

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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.