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Finding the Fourth Proportional to 296,055.81, 444,127.46 and 85,666.41

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Solution

The fourth proportional to 296,055.81, 444,127.46 and 85,666.41 is: 128,512.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,055.81 : 444,127.46 = 85,666.41 : x
  2. Step 2: Convert to fraction form
    296,055.81/444,127.46 = 85,666.41/x
  3. Step 3: Cross multiply
    296,055.81x = 444,127.46 × 85,666.41
  4. Step 4: Simplify right side
    296,055.81x = 38,046,804,652.29
  5. Step 5: Solve for x
    x = 38,046,804,652.29/296,055.81
  6. Step 6: Final answer
    x = 128,512.27

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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.