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Finding the Fourth Proportional to 170,729.60, 256,134.84 and 58,411.04

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Solution

The fourth proportional to 170,729.60, 256,134.84 and 58,411.04 is: 87,630.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,729.60 : 256,134.84 = 58,411.04 : x
  2. Step 2: Convert to fraction form
    170,729.60/256,134.84 = 58,411.04/x
  3. Step 3: Cross multiply
    170,729.60x = 256,134.84 × 58,411.04
  4. Step 4: Simplify right side
    170,729.60x = 14,961,102,384.63
  5. Step 5: Solve for x
    x = 14,961,102,384.63/170,729.60
  6. Step 6: Final answer
    x = 87,630.40

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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.