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Finding the Fourth Proportional to 244,985.01, 338,077.71 and 154,399.47

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Solution

The fourth proportional to 244,985.01, 338,077.71 and 154,399.47 is: 213,070.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,985.01 : 338,077.71 = 154,399.47 : x
  2. Step 2: Convert to fraction form
    244,985.01/338,077.71 = 154,399.47/x
  3. Step 3: Cross multiply
    244,985.01x = 338,077.71 × 154,399.47
  4. Step 4: Simplify right side
    244,985.01x = 52,199,019,242.81
  5. Step 5: Solve for x
    x = 52,199,019,242.81/244,985.01
  6. Step 6: Final answer
    x = 213,070.26

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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.