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Finding the Fourth Proportional to 270,054.90, 372,683.28 and 149,203.98

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Solution

The fourth proportional to 270,054.90, 372,683.28 and 149,203.98 is: 205,905.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,054.90 : 372,683.28 = 149,203.98 : x
  2. Step 2: Convert to fraction form
    270,054.90/372,683.28 = 149,203.98/x
  3. Step 3: Cross multiply
    270,054.90x = 372,683.28 × 149,203.98
  4. Step 4: Simplify right side
    270,054.90x = 55,605,828,655.45
  5. Step 5: Solve for x
    x = 55,605,828,655.45/270,054.90
  6. Step 6: Final answer
    x = 205,905.65

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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.