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Finding the Fourth Proportional to 179,565.99, 247,823.51 and 103,109.01

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Solution

The fourth proportional to 179,565.99, 247,823.51 and 103,109.01 is: 142,303.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,565.99 : 247,823.51 = 103,109.01 : x
  2. Step 2: Convert to fraction form
    179,565.99/247,823.51 = 103,109.01/x
  3. Step 3: Cross multiply
    179,565.99x = 247,823.51 × 103,109.01
  4. Step 4: Simplify right side
    179,565.99x = 25,552,836,770.83
  5. Step 5: Solve for x
    x = 25,552,836,770.83/179,565.99
  6. Step 6: Final answer
    x = 142,303.32

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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.