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Finding the Fourth Proportional to 245,088.80, 367,244.40 and 161,885.60

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Solution

The fourth proportional to 245,088.80, 367,244.40 and 161,885.60 is: 242,571.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,088.80 : 367,244.40 = 161,885.60 : x
  2. Step 2: Convert to fraction form
    245,088.80/367,244.40 = 161,885.60/x
  3. Step 3: Cross multiply
    245,088.80x = 367,244.40 × 161,885.60
  4. Step 4: Simplify right side
    245,088.80x = 59,451,580,040.64
  5. Step 5: Solve for x
    x = 59,451,580,040.64/245,088.80
  6. Step 6: Final answer
    x = 242,571.59

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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.