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Finding the Fourth Proportional to 96,065.28, 144,128.70 and 43,460.64

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Solution

The fourth proportional to 96,065.28, 144,128.70 and 43,460.64 is: 65,204.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,065.28 : 144,128.70 = 43,460.64 : x
  2. Step 2: Convert to fraction form
    96,065.28/144,128.70 = 43,460.64/x
  3. Step 3: Cross multiply
    96,065.28x = 144,128.70 × 43,460.64
  4. Step 4: Simplify right side
    96,065.28x = 6,263,925,544.37
  5. Step 5: Solve for x
    x = 6,263,925,544.37/96,065.28
  6. Step 6: Final answer
    x = 65,204.89

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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.