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Finding the Fourth Proportional to 78,062.14, 116,904.44 and 44,681.03

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Solution

The fourth proportional to 78,062.14, 116,904.44 and 44,681.03 is: 66,913.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,062.14 : 116,904.44 = 44,681.03 : x
  2. Step 2: Convert to fraction form
    78,062.14/116,904.44 = 44,681.03/x
  3. Step 3: Cross multiply
    78,062.14x = 116,904.44 × 44,681.03
  4. Step 4: Simplify right side
    78,062.14x = 5,223,410,317.95
  5. Step 5: Solve for x
    x = 5,223,410,317.95/78,062.14
  6. Step 6: Final answer
    x = 66,913.49

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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.