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Finding the Fourth Proportional to 172,302.10, 258,430.46 and 59,958.34

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Solution

The fourth proportional to 172,302.10, 258,430.46 and 59,958.34 is: 89,929.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,302.10 : 258,430.46 = 59,958.34 : x
  2. Step 2: Convert to fraction form
    172,302.10/258,430.46 = 59,958.34/x
  3. Step 3: Cross multiply
    172,302.10x = 258,430.46 × 59,958.34
  4. Step 4: Simplify right side
    172,302.10x = 15,495,061,387.04
  5. Step 5: Solve for x
    x = 15,495,061,387.04/172,302.10
  6. Step 6: Final answer
    x = 89,929.61

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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.