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Finding the Fourth Proportional to 76,443.44, 114,106.02 and 70,814.96

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Solution

The fourth proportional to 76,443.44, 114,106.02 and 70,814.96 is: 105,704.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,443.44 : 114,106.02 = 70,814.96 : x
  2. Step 2: Convert to fraction form
    76,443.44/114,106.02 = 70,814.96/x
  3. Step 3: Cross multiply
    76,443.44x = 114,106.02 × 70,814.96
  4. Step 4: Simplify right side
    76,443.44x = 8,080,413,242.06
  5. Step 5: Solve for x
    x = 8,080,413,242.06/76,443.44
  6. Step 6: Final answer
    x = 105,704.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.