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Finding the Fourth Proportional to 97,860.80, 146,848.80 and 35,537.60

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Solution

The fourth proportional to 97,860.80, 146,848.80 and 35,537.60 is: 53,327.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,860.80 : 146,848.80 = 35,537.60 : x
  2. Step 2: Convert to fraction form
    97,860.80/146,848.80 = 35,537.60/x
  3. Step 3: Cross multiply
    97,860.80x = 146,848.80 × 35,537.60
  4. Step 4: Simplify right side
    97,860.80x = 5,218,653,914.88
  5. Step 5: Solve for x
    x = 5,218,653,914.88/97,860.80
  6. Step 6: Final answer
    x = 53,327.32

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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.