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Finding the Fourth Proportional to 352,931.60, 529,409.82 and 113,052.80

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Solution

The fourth proportional to 352,931.60, 529,409.82 and 113,052.80 is: 169,583.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,931.60 : 529,409.82 = 113,052.80 : x
  2. Step 2: Convert to fraction form
    352,931.60/529,409.82 = 113,052.80/x
  3. Step 3: Cross multiply
    352,931.60x = 529,409.82 × 113,052.80
  4. Step 4: Simplify right side
    352,931.60x = 59,851,262,498.50
  5. Step 5: Solve for x
    x = 59,851,262,498.50/352,931.60
  6. Step 6: Final answer
    x = 169,583.18

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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.