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Finding the Fourth Proportional to 97,242.50, 134,194.78 and 52,530.50

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Solution

The fourth proportional to 97,242.50, 134,194.78 and 52,530.50 is: 72,492.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,242.50 : 134,194.78 = 52,530.50 : x
  2. Step 2: Convert to fraction form
    97,242.50/134,194.78 = 52,530.50/x
  3. Step 3: Cross multiply
    97,242.50x = 134,194.78 × 52,530.50
  4. Step 4: Simplify right side
    97,242.50x = 7,049,318,890.79
  5. Step 5: Solve for x
    x = 7,049,318,890.79/97,242.50
  6. Step 6: Final answer
    x = 72,492.16

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Why These Related Problems?

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