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Finding the Fourth Proportional to 161,149.16, 241,661.58 and 61,256.84

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Solution

The fourth proportional to 161,149.16, 241,661.58 and 61,256.84 is: 91,861.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,149.16 : 241,661.58 = 61,256.84 : x
  2. Step 2: Convert to fraction form
    161,149.16/241,661.58 = 61,256.84/x
  3. Step 3: Cross multiply
    161,149.16x = 241,661.58 × 61,256.84
  4. Step 4: Simplify right side
    161,149.16x = 14,803,424,740.21
  5. Step 5: Solve for x
    x = 14,803,424,740.21/161,149.16
  6. Step 6: Final answer
    x = 91,861.63

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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.