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Finding the Fourth Proportional to 152,360.88, 210,258.92 and 84,379.92

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Solution

The fourth proportional to 152,360.88, 210,258.92 and 84,379.92 is: 116,444.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,360.88 : 210,258.92 = 84,379.92 : x
  2. Step 2: Convert to fraction form
    152,360.88/210,258.92 = 84,379.92/x
  3. Step 3: Cross multiply
    152,360.88x = 210,258.92 × 84,379.92
  4. Step 4: Simplify right side
    152,360.88x = 17,741,630,848.89
  5. Step 5: Solve for x
    x = 17,741,630,848.89/152,360.88
  6. Step 6: Final answer
    x = 116,444.79

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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.