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Finding the Fourth Proportional to 74,937.42, 112,486.12 and 32,263.94

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Solution

The fourth proportional to 74,937.42, 112,486.12 and 32,263.94 is: 48,430.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,937.42 : 112,486.12 = 32,263.94 : x
  2. Step 2: Convert to fraction form
    74,937.42/112,486.12 = 32,263.94/x
  3. Step 3: Cross multiply
    74,937.42x = 112,486.12 × 32,263.94
  4. Step 4: Simplify right side
    74,937.42x = 3,629,245,627.07
  5. Step 5: Solve for x
    x = 3,629,245,627.07/74,937.42
  6. Step 6: Final answer
    x = 48,430.35

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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.