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Finding the Fourth Proportional to 152,492.67, 210,454.54 and 84,524.36

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Solution

The fourth proportional to 152,492.67, 210,454.54 and 84,524.36 is: 116,651.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,492.67 : 210,454.54 = 84,524.36 : x
  2. Step 2: Convert to fraction form
    152,492.67/210,454.54 = 84,524.36/x
  3. Step 3: Cross multiply
    152,492.67x = 210,454.54 × 84,524.36
  4. Step 4: Simplify right side
    152,492.67x = 17,788,534,250.32
  5. Step 5: Solve for x
    x = 17,788,534,250.32/152,492.67
  6. Step 6: Final answer
    x = 116,651.73

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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.