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Finding the Fourth Proportional to 84,804.92, 117,017.15 and 48,999.68

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Solution

The fourth proportional to 84,804.92, 117,017.15 and 48,999.68 is: 67,611.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,804.92 : 117,017.15 = 48,999.68 : x
  2. Step 2: Convert to fraction form
    84,804.92/117,017.15 = 48,999.68/x
  3. Step 3: Cross multiply
    84,804.92x = 117,017.15 × 48,999.68
  4. Step 4: Simplify right side
    84,804.92x = 5,733,802,904.51
  5. Step 5: Solve for x
    x = 5,733,802,904.51/84,804.92
  6. Step 6: Final answer
    x = 67,611.68

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1.5x scale

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.