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Finding the Fourth Proportional to 355,514.70, 533,193.93 and 102,740.22

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Solution

The fourth proportional to 355,514.70, 533,193.93 and 102,740.22 is: 154,087.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,514.70 : 533,193.93 = 102,740.22 : x
  2. Step 2: Convert to fraction form
    355,514.70/533,193.93 = 102,740.22/x
  3. Step 3: Cross multiply
    355,514.70x = 533,193.93 × 102,740.22
  4. Step 4: Simplify right side
    355,514.70x = 54,780,461,670.86
  5. Step 5: Solve for x
    x = 54,780,461,670.86/355,514.70
  6. Step 6: Final answer
    x = 154,087.75

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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.