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Finding the Fourth Proportional to 64,153.80, 96,048.45 and 60,662.70

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Solution

The fourth proportional to 64,153.80, 96,048.45 and 60,662.70 is: 90,821.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,153.80 : 96,048.45 = 60,662.70 : x
  2. Step 2: Convert to fraction form
    64,153.80/96,048.45 = 60,662.70/x
  3. Step 3: Cross multiply
    64,153.80x = 96,048.45 × 60,662.70
  4. Step 4: Simplify right side
    64,153.80x = 5,826,558,307.82
  5. Step 5: Solve for x
    x = 5,826,558,307.82/64,153.80
  6. Step 6: Final answer
    x = 90,821.72

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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.