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Finding the Fourth Proportional to 117,173.86, 161,699.01 and 63,457.63

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Solution

The fourth proportional to 117,173.86, 161,699.01 and 63,457.63 is: 87,571.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,173.86 : 161,699.01 = 63,457.63 : x
  2. Step 2: Convert to fraction form
    117,173.86/161,699.01 = 63,457.63/x
  3. Step 3: Cross multiply
    117,173.86x = 161,699.01 × 63,457.63
  4. Step 4: Simplify right side
    117,173.86x = 10,261,035,947.95
  5. Step 5: Solve for x
    x = 10,261,035,947.95/117,173.86
  6. Step 6: Final answer
    x = 87,571.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.