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Finding the Fourth Proportional to 152,536.88, 210,500.95 and 92,920.88

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Solution

The fourth proportional to 152,536.88, 210,500.95 and 92,920.88 is: 128,230.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,536.88 : 210,500.95 = 92,920.88 : x
  2. Step 2: Convert to fraction form
    152,536.88/210,500.95 = 92,920.88/x
  3. Step 3: Cross multiply
    152,536.88x = 210,500.95 × 92,920.88
  4. Step 4: Simplify right side
    152,536.88x = 19,559,932,230.03
  5. Step 5: Solve for x
    x = 19,559,932,230.03/152,536.88
  6. Step 6: Final answer
    x = 128,230.84

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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.