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Finding the Fourth Proportional to 97,866.80, 146,857.80 and 35,543.60

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Solution

The fourth proportional to 97,866.80, 146,857.80 and 35,543.60 is: 53,336.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,866.80 : 146,857.80 = 35,543.60 : x
  2. Step 2: Convert to fraction form
    97,866.80/146,857.80 = 35,543.60/x
  3. Step 3: Cross multiply
    97,866.80x = 146,857.80 × 35,543.60
  4. Step 4: Simplify right side
    97,866.80x = 5,219,854,900.08
  5. Step 5: Solve for x
    x = 5,219,854,900.08/97,866.80
  6. Step 6: Final answer
    x = 53,336.32

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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.