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Finding the Fourth Proportional to 101,637.61, 152,480.64 and 35,078.32

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Solution

The fourth proportional to 101,637.61, 152,480.64 and 35,078.32 is: 52,625.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,637.61 : 152,480.64 = 35,078.32 : x
  2. Step 2: Convert to fraction form
    101,637.61/152,480.64 = 35,078.32/x
  3. Step 3: Cross multiply
    101,637.61x = 152,480.64 × 35,078.32
  4. Step 4: Simplify right side
    101,637.61x = 5,348,764,683.72
  5. Step 5: Solve for x
    x = 5,348,764,683.72/101,637.61
  6. Step 6: Final answer
    x = 52,625.84

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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.