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Finding the Fourth Proportional to 97,848.80, 146,830.80 and 35,511.20

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Solution

The fourth proportional to 97,848.80, 146,830.80 and 35,511.20 is: 53,287.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,848.80 : 146,830.80 = 35,511.20 : x
  2. Step 2: Convert to fraction form
    97,848.80/146,830.80 = 35,511.20/x
  3. Step 3: Cross multiply
    97,848.80x = 146,830.80 × 35,511.20
  4. Step 4: Simplify right side
    97,848.80x = 5,214,137,904.96
  5. Step 5: Solve for x
    x = 5,214,137,904.96/97,848.80
  6. Step 6: Final answer
    x = 53,287.70

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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.