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Finding the Fourth Proportional to 170,390.52, 255,574.44 and 70,525.08

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Solution

The fourth proportional to 170,390.52, 255,574.44 and 70,525.08 is: 105,782.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,390.52 : 255,574.44 = 70,525.08 : x
  2. Step 2: Convert to fraction form
    170,390.52/255,574.44 = 70,525.08/x
  3. Step 3: Cross multiply
    170,390.52x = 255,574.44 × 70,525.08
  4. Step 4: Simplify right side
    170,390.52x = 18,024,407,826.96
  5. Step 5: Solve for x
    x = 18,024,407,826.96/170,390.52
  6. Step 6: Final answer
    x = 105,782.93

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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.