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Finding the Fourth Proportional to 91,194.34, 136,784.68 and 32,030.53

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Solution

The fourth proportional to 91,194.34, 136,784.68 and 32,030.53 is: 48,043.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,194.34 : 136,784.68 = 32,030.53 : x
  2. Step 2: Convert to fraction form
    91,194.34/136,784.68 = 32,030.53/x
  3. Step 3: Cross multiply
    91,194.34x = 136,784.68 × 32,030.53
  4. Step 4: Simplify right side
    91,194.34x = 4,381,285,796.28
  5. Step 5: Solve for x
    x = 4,381,285,796.28/91,194.34
  6. Step 6: Final answer
    x = 48,043.40

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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.