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Finding the Fourth Proportional to 113,013.79, 169,602.60 and 41,946.54

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Solution

The fourth proportional to 113,013.79, 169,602.60 and 41,946.54 is: 62,950.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,013.79 : 169,602.60 = 41,946.54 : x
  2. Step 2: Convert to fraction form
    113,013.79/169,602.60 = 41,946.54/x
  3. Step 3: Cross multiply
    113,013.79x = 169,602.60 × 41,946.54
  4. Step 4: Simplify right side
    113,013.79x = 7,114,242,245.00
  5. Step 5: Solve for x
    x = 7,114,242,245.00/113,013.79
  6. Step 6: Final answer
    x = 62,950.22

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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.