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Finding the Fourth Proportional to 159,973.72, 240,004.34 and 70,000.08

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Solution

The fourth proportional to 159,973.72, 240,004.34 and 70,000.08 is: 105,019.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,973.72 : 240,004.34 = 70,000.08 : x
  2. Step 2: Convert to fraction form
    159,973.72/240,004.34 = 70,000.08/x
  3. Step 3: Cross multiply
    159,973.72x = 240,004.34 × 70,000.08
  4. Step 4: Simplify right side
    159,973.72x = 16,800,322,012.83
  5. Step 5: Solve for x
    x = 16,800,322,012.83/159,973.72
  6. Step 6: Final answer
    x = 105,019.26

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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.