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Finding the Fourth Proportional to 220,094.17, 330,045.11 and 77,892.20

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Solution

The fourth proportional to 220,094.17, 330,045.11 and 77,892.20 is: 116,804.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,094.17 : 330,045.11 = 77,892.20 : x
  2. Step 2: Convert to fraction form
    220,094.17/330,045.11 = 77,892.20/x
  3. Step 3: Cross multiply
    220,094.17x = 330,045.11 × 77,892.20
  4. Step 4: Simplify right side
    220,094.17x = 25,707,939,316.76
  5. Step 5: Solve for x
    x = 25,707,939,316.76/220,094.17
  6. Step 6: Final answer
    x = 116,804.27

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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.