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Finding the Fourth Proportional to 92,291.81, 127,362.71 and 49,850.35

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Solution

The fourth proportional to 92,291.81, 127,362.71 and 49,850.35 is: 68,793.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,291.81 : 127,362.71 = 49,850.35 : x
  2. Step 2: Convert to fraction form
    92,291.81/127,362.71 = 49,850.35/x
  3. Step 3: Cross multiply
    92,291.81x = 127,362.71 × 49,850.35
  4. Step 4: Simplify right side
    92,291.81x = 6,349,075,670.45
  5. Step 5: Solve for x
    x = 6,349,075,670.45/92,291.81
  6. Step 6: Final answer
    x = 68,793.49

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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.