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Finding the Fourth Proportional to 73,597.60, 110,330.79 and 61,219.18

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Solution

The fourth proportional to 73,597.60, 110,330.79 and 61,219.18 is: 91,774.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,597.60 : 110,330.79 = 61,219.18 : x
  2. Step 2: Convert to fraction form
    73,597.60/110,330.79 = 61,219.18/x
  3. Step 3: Cross multiply
    73,597.60x = 110,330.79 × 61,219.18
  4. Step 4: Simplify right side
    73,597.60x = 6,754,360,492.55
  5. Step 5: Solve for x
    x = 6,754,360,492.55/73,597.60
  6. Step 6: Final answer
    x = 91,774.19

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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.