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Finding the Fourth Proportional to 152,624.58, 228,662.28 and 143,621.16

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Solution

The fourth proportional to 152,624.58, 228,662.28 and 143,621.16 is: 215,173.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,624.58 : 228,662.28 = 143,621.16 : x
  2. Step 2: Convert to fraction form
    152,624.58/228,662.28 = 143,621.16/x
  3. Step 3: Cross multiply
    152,624.58x = 228,662.28 × 143,621.16
  4. Step 4: Simplify right side
    152,624.58x = 32,840,741,901.84
  5. Step 5: Solve for x
    x = 32,840,741,901.84/152,624.58
  6. Step 6: Final answer
    x = 215,173.35

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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.