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Finding the Fourth Proportional to 144,328.40, 216,544.44 and 65,383.76

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Solution

The fourth proportional to 144,328.40, 216,544.44 and 65,383.76 is: 98,099.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,328.40 : 216,544.44 = 65,383.76 : x
  2. Step 2: Convert to fraction form
    144,328.40/216,544.44 = 65,383.76/x
  3. Step 3: Cross multiply
    144,328.40x = 216,544.44 × 65,383.76
  4. Step 4: Simplify right side
    144,328.40x = 14,158,489,694.29
  5. Step 5: Solve for x
    x = 14,158,489,694.29/144,328.40
  6. Step 6: Final answer
    x = 98,099.12

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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.