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Finding the Fourth Proportional to 67,656.69, 93,258.36 and 53,293.77

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Solution

The fourth proportional to 67,656.69, 93,258.36 and 53,293.77 is: 73,460.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,656.69 : 93,258.36 = 53,293.77 : x
  2. Step 2: Convert to fraction form
    67,656.69/93,258.36 = 53,293.77/x
  3. Step 3: Cross multiply
    67,656.69x = 93,258.36 × 53,293.77
  4. Step 4: Simplify right side
    67,656.69x = 4,970,089,588.42
  5. Step 5: Solve for x
    x = 4,970,089,588.42/67,656.69
  6. Step 6: Final answer
    x = 73,460.43

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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.