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Finding the Fourth Proportional to 94,710.96, 142,094.88 and 28,153.44

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Solution

The fourth proportional to 94,710.96, 142,094.88 and 28,153.44 is: 42,238.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,710.96 : 142,094.88 = 28,153.44 : x
  2. Step 2: Convert to fraction form
    94,710.96/142,094.88 = 28,153.44/x
  3. Step 3: Cross multiply
    94,710.96x = 142,094.88 × 28,153.44
  4. Step 4: Simplify right side
    94,710.96x = 4,000,459,678.39
  5. Step 5: Solve for x
    x = 4,000,459,678.39/94,710.96
  6. Step 6: Final answer
    x = 42,238.61

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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.