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Finding the Fourth Proportional to 152,793.92, 210,852.42 and 84,806.92

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Solution

The fourth proportional to 152,793.92, 210,852.42 and 84,806.92 is: 117,031.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,793.92 : 210,852.42 = 84,806.92 : x
  2. Step 2: Convert to fraction form
    152,793.92/210,852.42 = 84,806.92/x
  3. Step 3: Cross multiply
    152,793.92x = 210,852.42 × 84,806.92
  4. Step 4: Simplify right side
    152,793.92x = 17,881,744,314.75
  5. Step 5: Solve for x
    x = 17,881,744,314.75/152,793.92
  6. Step 6: Final answer
    x = 117,031.78

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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.