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Finding the Fourth Proportional to 239,612.99, 359,284.58 and 79,603.25

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Solution

The fourth proportional to 239,612.99, 359,284.58 and 79,603.25 is: 119,360.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,612.99 : 359,284.58 = 79,603.25 : x
  2. Step 2: Convert to fraction form
    239,612.99/359,284.58 = 79,603.25/x
  3. Step 3: Cross multiply
    239,612.99x = 359,284.58 × 79,603.25
  4. Step 4: Simplify right side
    239,612.99x = 28,600,219,844.87
  5. Step 5: Solve for x
    x = 28,600,219,844.87/239,612.99
  6. Step 6: Final answer
    x = 119,360.06

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1.5x scale

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.