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Finding the Fourth Proportional to 78,495.11, 108,326.11 and 44,967.59

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Solution

The fourth proportional to 78,495.11, 108,326.11 and 44,967.59 is: 62,056.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,495.11 : 108,326.11 = 44,967.59 : x
  2. Step 2: Convert to fraction form
    78,495.11/108,326.11 = 44,967.59/x
  3. Step 3: Cross multiply
    78,495.11x = 108,326.11 × 44,967.59
  4. Step 4: Simplify right side
    78,495.11x = 4,871,164,259.17
  5. Step 5: Solve for x
    x = 4,871,164,259.17/78,495.11
  6. Step 6: Final answer
    x = 62,056.91

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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.