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Finding the Fourth Proportional to 172,488.68, 258,445.93 and 60,106.94

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Solution

The fourth proportional to 172,488.68, 258,445.93 and 60,106.94 is: 90,060.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,488.68 : 258,445.93 = 60,106.94 : x
  2. Step 2: Convert to fraction form
    172,488.68/258,445.93 = 60,106.94/x
  3. Step 3: Cross multiply
    172,488.68x = 258,445.93 × 60,106.94
  4. Step 4: Simplify right side
    172,488.68x = 15,534,394,007.75
  5. Step 5: Solve for x
    x = 15,534,394,007.75/172,488.68
  6. Step 6: Final answer
    x = 90,060.37

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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.