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Finding the Fourth Proportional to 104,425.32, 144,106.58 and 56,678.67

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Solution

The fourth proportional to 104,425.32, 144,106.58 and 56,678.67 is: 78,216.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,425.32 : 144,106.58 = 56,678.67 : x
  2. Step 2: Convert to fraction form
    104,425.32/144,106.58 = 56,678.67/x
  3. Step 3: Cross multiply
    104,425.32x = 144,106.58 × 56,678.67
  4. Step 4: Simplify right side
    104,425.32x = 8,167,769,292.65
  5. Step 5: Solve for x
    x = 8,167,769,292.65/104,425.32
  6. Step 6: Final answer
    x = 78,216.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.