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Finding the Fourth Proportional to 64,905.66, 97,259.67 and 48,187.26

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Solution

The fourth proportional to 64,905.66, 97,259.67 and 48,187.26 is: 72,207.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,905.66 : 97,259.67 = 48,187.26 : x
  2. Step 2: Convert to fraction form
    64,905.66/97,259.67 = 48,187.26/x
  3. Step 3: Cross multiply
    64,905.66x = 97,259.67 × 48,187.26
  4. Step 4: Simplify right side
    64,905.66x = 4,686,677,005.80
  5. Step 5: Solve for x
    x = 4,686,677,005.80/64,905.66
  6. Step 6: Final answer
    x = 72,207.52

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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.