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Finding the Fourth Proportional to 70,326.03, 105,477.67 and 25,973.67

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Solution

The fourth proportional to 70,326.03, 105,477.67 and 25,973.67 is: 38,956.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,326.03 : 105,477.67 = 25,973.67 : x
  2. Step 2: Convert to fraction form
    70,326.03/105,477.67 = 25,973.67/x
  3. Step 3: Cross multiply
    70,326.03x = 105,477.67 × 25,973.67
  4. Step 4: Simplify right side
    70,326.03x = 2,739,642,192.95
  5. Step 5: Solve for x
    x = 2,739,642,192.95/70,326.03
  6. Step 6: Final answer
    x = 38,956.30

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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.