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Finding the Fourth Proportional to 161,647.48, 242,315.70 and 82,798.84

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Solution

The fourth proportional to 161,647.48, 242,315.70 and 82,798.84 is: 124,118.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,647.48 : 242,315.70 = 82,798.84 : x
  2. Step 2: Convert to fraction form
    161,647.48/242,315.70 = 82,798.84/x
  3. Step 3: Cross multiply
    161,647.48x = 242,315.70 × 82,798.84
  4. Step 4: Simplify right side
    161,647.48x = 20,063,458,873.79
  5. Step 5: Solve for x
    x = 20,063,458,873.79/161,647.48
  6. Step 6: Final answer
    x = 124,118.60

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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.