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Finding the Fourth Proportional to 144,348.44, 216,555.44 and 65,485.20

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Solution

The fourth proportional to 144,348.44, 216,555.44 and 65,485.20 is: 98,242.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,348.44 : 216,555.44 = 65,485.20 : x
  2. Step 2: Convert to fraction form
    144,348.44/216,555.44 = 65,485.20/x
  3. Step 3: Cross multiply
    144,348.44x = 216,555.44 × 65,485.20
  4. Step 4: Simplify right side
    144,348.44x = 14,181,176,299.49
  5. Step 5: Solve for x
    x = 14,181,176,299.49/144,348.44
  6. Step 6: Final answer
    x = 98,242.67

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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.