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Finding the Fourth Proportional to 223,252.60, 334,915.80 and 103,429.30

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Solution

The fourth proportional to 223,252.60, 334,915.80 and 103,429.30 is: 155,161.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,252.60 : 334,915.80 = 103,429.30 : x
  2. Step 2: Convert to fraction form
    223,252.60/334,915.80 = 103,429.30/x
  3. Step 3: Cross multiply
    223,252.60x = 334,915.80 × 103,429.30
  4. Step 4: Simplify right side
    223,252.60x = 34,640,106,752.94
  5. Step 5: Solve for x
    x = 34,640,106,752.94/223,252.60
  6. Step 6: Final answer
    x = 155,161.05

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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.