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Finding the Fourth Proportional to 97,492.60, 146,411.70 and 75,359.80

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Solution

The fourth proportional to 97,492.60, 146,411.70 and 75,359.80 is: 113,173.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,492.60 : 146,411.70 = 75,359.80 : x
  2. Step 2: Convert to fraction form
    97,492.60/146,411.70 = 75,359.80/x
  3. Step 3: Cross multiply
    97,492.60x = 146,411.70 × 75,359.80
  4. Step 4: Simplify right side
    97,492.60x = 11,033,556,429.66
  5. Step 5: Solve for x
    x = 11,033,556,429.66/97,492.60
  6. Step 6: Final answer
    x = 113,173.27

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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.