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Finding the Fourth Proportional to 355,378.80, 533,160.44 and 106,060.80

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Solution

The fourth proportional to 355,378.80, 533,160.44 and 106,060.80 is: 159,118.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,378.80 : 533,160.44 = 106,060.80 : x
  2. Step 2: Convert to fraction form
    355,378.80/533,160.44 = 106,060.80/x
  3. Step 3: Cross multiply
    355,378.80x = 533,160.44 × 106,060.80
  4. Step 4: Simplify right side
    355,378.80x = 56,547,422,794.75
  5. Step 5: Solve for x
    x = 56,547,422,794.75/355,378.80
  6. Step 6: Final answer
    x = 159,118.73

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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.