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Finding the Fourth Proportional to 152,874.62, 229,078.14 and 64,079.72

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Solution

The fourth proportional to 152,874.62, 229,078.14 and 64,079.72 is: 96,021.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,874.62 : 229,078.14 = 64,079.72 : x
  2. Step 2: Convert to fraction form
    152,874.62/229,078.14 = 64,079.72/x
  3. Step 3: Cross multiply
    152,874.62x = 229,078.14 × 64,079.72
  4. Step 4: Simplify right side
    152,874.62x = 14,679,263,069.32
  5. Step 5: Solve for x
    x = 14,679,263,069.32/152,874.62
  6. Step 6: Final answer
    x = 96,021.58

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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.