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Finding the Fourth Proportional to 88,028.60, 121,477.16 and 50,302.84

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Solution

The fourth proportional to 88,028.60, 121,477.16 and 50,302.84 is: 69,416.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,028.60 : 121,477.16 = 50,302.84 : x
  2. Step 2: Convert to fraction form
    88,028.60/121,477.16 = 50,302.84/x
  3. Step 3: Cross multiply
    88,028.60x = 121,477.16 × 50,302.84
  4. Step 4: Simplify right side
    88,028.60x = 6,110,646,143.13
  5. Step 5: Solve for x
    x = 6,110,646,143.13/88,028.60
  6. Step 6: Final answer
    x = 69,416.60

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.