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Finding the Fourth Proportional to 152,608.68, 210,612.48 and 84,647.04

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Solution

The fourth proportional to 152,608.68, 210,612.48 and 84,647.04 is: 116,819.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,608.68 : 210,612.48 = 84,647.04 : x
  2. Step 2: Convert to fraction form
    152,608.68/210,612.48 = 84,647.04/x
  3. Step 3: Cross multiply
    152,608.68x = 210,612.48 × 84,647.04
  4. Step 4: Simplify right side
    152,608.68x = 17,827,723,019.06
  5. Step 5: Solve for x
    x = 17,827,723,019.06/152,608.68
  6. Step 6: Final answer
    x = 116,819.85

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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.