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Finding the Fourth Proportional to 152,624.52, 210,622.41 and 84,647.79

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Solution

The fourth proportional to 152,624.52, 210,622.41 and 84,647.79 is: 116,814.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,624.52 : 210,622.41 = 84,647.79 : x
  2. Step 2: Convert to fraction form
    152,624.52/210,622.41 = 84,647.79/x
  3. Step 3: Cross multiply
    152,624.52x = 210,622.41 × 84,647.79
  4. Step 4: Simplify right side
    152,624.52x = 17,828,721,530.97
  5. Step 5: Solve for x
    x = 17,828,721,530.97/152,624.52
  6. Step 6: Final answer
    x = 116,814.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.