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Finding the Fourth Proportional to 152,846.51, 210,930.62 and 84,867.86

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Solution

The fourth proportional to 152,846.51, 210,930.62 and 84,867.86 is: 117,119.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,846.51 : 210,930.62 = 84,867.86 : x
  2. Step 2: Convert to fraction form
    152,846.51/210,930.62 = 84,867.86/x
  3. Step 3: Cross multiply
    152,846.51x = 210,930.62 × 84,867.86
  4. Step 4: Simplify right side
    152,846.51x = 17,901,230,430.86
  5. Step 5: Solve for x
    x = 17,901,230,430.86/152,846.51
  6. Step 6: Final answer
    x = 117,119.00

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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.