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Finding the Fourth Proportional to 172,016.34, 258,024.51 and 97,206.36

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Solution

The fourth proportional to 172,016.34, 258,024.51 and 97,206.36 is: 145,809.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,016.34 : 258,024.51 = 97,206.36 : x
  2. Step 2: Convert to fraction form
    172,016.34/258,024.51 = 97,206.36/x
  3. Step 3: Cross multiply
    172,016.34x = 258,024.51 × 97,206.36
  4. Step 4: Simplify right side
    172,016.34x = 25,081,623,407.88
  5. Step 5: Solve for x
    x = 25,081,623,407.88/172,016.34
  6. Step 6: Final answer
    x = 145,809.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.