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Finding the Fourth Proportional to 101,291.60, 151,937.40 and 48,803.60

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Solution

The fourth proportional to 101,291.60, 151,937.40 and 48,803.60 is: 73,205.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,291.60 : 151,937.40 = 48,803.60 : x
  2. Step 2: Convert to fraction form
    101,291.60/151,937.40 = 48,803.60/x
  3. Step 3: Cross multiply
    101,291.60x = 151,937.40 × 48,803.60
  4. Step 4: Simplify right side
    101,291.60x = 7,415,092,094.64
  5. Step 5: Solve for x
    x = 7,415,092,094.64/101,291.60
  6. Step 6: Final answer
    x = 73,205.40

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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.