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Finding the Fourth Proportional to 220,089.16, 330,133.76 and 114,883.52

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Solution

The fourth proportional to 220,089.16, 330,133.76 and 114,883.52 is: 172,325.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,089.16 : 330,133.76 = 114,883.52 : x
  2. Step 2: Convert to fraction form
    220,089.16/330,133.76 = 114,883.52/x
  3. Step 3: Cross multiply
    220,089.16x = 330,133.76 × 114,883.52
  4. Step 4: Simplify right side
    220,089.16x = 37,926,927,845.22
  5. Step 5: Solve for x
    x = 37,926,927,845.22/220,089.16
  6. Step 6: Final answer
    x = 172,325.29

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1.5x scale

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.