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Finding the Fourth Proportional to 152,656.96, 210,679.88 and 88,993.36

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Solution

The fourth proportional to 152,656.96, 210,679.88 and 88,993.36 is: 122,818.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,656.96 : 210,679.88 = 88,993.36 : x
  2. Step 2: Convert to fraction form
    152,656.96/210,679.88 = 88,993.36/x
  3. Step 3: Cross multiply
    152,656.96x = 210,679.88 × 88,993.36
  4. Step 4: Simplify right side
    152,656.96x = 18,749,110,405.60
  5. Step 5: Solve for x
    x = 18,749,110,405.60/152,656.96
  6. Step 6: Final answer
    x = 122,818.58

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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.