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Finding the Fourth Proportional to 146,118.24, 201,643.20 and 79,050.24

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Solution

The fourth proportional to 146,118.24, 201,643.20 and 79,050.24 is: 109,089.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,118.24 : 201,643.20 = 79,050.24 : x
  2. Step 2: Convert to fraction form
    146,118.24/201,643.20 = 79,050.24/x
  3. Step 3: Cross multiply
    146,118.24x = 201,643.20 × 79,050.24
  4. Step 4: Simplify right side
    146,118.24x = 15,939,943,354.37
  5. Step 5: Solve for x
    x = 15,939,943,354.37/146,118.24
  6. Step 6: Final answer
    x = 109,089.35

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1.5x scale

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.