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Finding the Fourth Proportional to 66,109.78, 91,305.93 and 44,852.14

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Solution

The fourth proportional to 66,109.78, 91,305.93 and 44,852.14 is: 61,946.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,109.78 : 91,305.93 = 44,852.14 : x
  2. Step 2: Convert to fraction form
    66,109.78/91,305.93 = 44,852.14/x
  3. Step 3: Cross multiply
    66,109.78x = 91,305.93 × 44,852.14
  4. Step 4: Simplify right side
    66,109.78x = 4,095,266,355.19
  5. Step 5: Solve for x
    x = 4,095,266,355.19/66,109.78
  6. Step 6: Final answer
    x = 61,946.45

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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.