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Finding the Fourth Proportional to 152,650.89, 210,669.03 and 84,674.34

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Solution

The fourth proportional to 152,650.89, 210,669.03 and 84,674.34 is: 116,856.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,650.89 : 210,669.03 = 84,674.34 : x
  2. Step 2: Convert to fraction form
    152,650.89/210,669.03 = 84,674.34/x
  3. Step 3: Cross multiply
    152,650.89x = 210,669.03 × 84,674.34
  4. Step 4: Simplify right side
    152,650.89x = 17,838,261,073.69
  5. Step 5: Solve for x
    x = 17,838,261,073.69/152,650.89
  6. Step 6: Final answer
    x = 116,856.58

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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.