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Finding the Fourth Proportional to 110,016.81, 151,832.88 and 61,617.99

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Solution

The fourth proportional to 110,016.81, 151,832.88 and 61,617.99 is: 85,038.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,016.81 : 151,832.88 = 61,617.99 : x
  2. Step 2: Convert to fraction form
    110,016.81/151,832.88 = 61,617.99/x
  3. Step 3: Cross multiply
    110,016.81x = 151,832.88 × 61,617.99
  4. Step 4: Simplify right side
    110,016.81x = 9,355,636,881.51
  5. Step 5: Solve for x
    x = 9,355,636,881.51/110,016.81
  6. Step 6: Final answer
    x = 85,038.25

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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.