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Finding the Fourth Proportional to 60,742.63, 91,102.54 and 48,965.16

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Solution

The fourth proportional to 60,742.63, 91,102.54 and 48,965.16 is: 73,438.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,742.63 : 91,102.54 = 48,965.16 : x
  2. Step 2: Convert to fraction form
    60,742.63/91,102.54 = 48,965.16/x
  3. Step 3: Cross multiply
    60,742.63x = 91,102.54 × 48,965.16
  4. Step 4: Simplify right side
    60,742.63x = 4,460,850,447.51
  5. Step 5: Solve for x
    x = 4,460,850,447.51/60,742.63
  6. Step 6: Final answer
    x = 73,438.55

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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.