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Finding the Fourth Proportional to 152,469.83, 210,405.22 and 84,486.22

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Solution

The fourth proportional to 152,469.83, 210,405.22 and 84,486.22 is: 116,589.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,469.83 : 210,405.22 = 84,486.22 : x
  2. Step 2: Convert to fraction form
    152,469.83/210,405.22 = 84,486.22/x
  3. Step 3: Cross multiply
    152,469.83x = 210,405.22 × 84,486.22
  4. Step 4: Simplify right side
    152,469.83x = 17,776,341,706.07
  5. Step 5: Solve for x
    x = 17,776,341,706.07/152,469.83
  6. Step 6: Final answer
    x = 116,589.24

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1.5x scale

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.