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Finding the Fourth Proportional to 173,999.68, 260,991.36 and 61,678.12

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Solution

The fourth proportional to 173,999.68, 260,991.36 and 61,678.12 is: 92,514.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,999.68 : 260,991.36 = 61,678.12 : x
  2. Step 2: Convert to fraction form
    173,999.68/260,991.36 = 61,678.12/x
  3. Step 3: Cross multiply
    173,999.68x = 260,991.36 × 61,678.12
  4. Step 4: Simplify right side
    173,999.68x = 16,097,456,421.04
  5. Step 5: Solve for x
    x = 16,097,456,421.04/173,999.68
  6. Step 6: Final answer
    x = 92,514.29

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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.