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Finding the Fourth Proportional to 145,894.13, 218,841.20 and 35,086.13

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Solution

The fourth proportional to 145,894.13, 218,841.20 and 35,086.13 is: 52,629.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,894.13 : 218,841.20 = 35,086.13 : x
  2. Step 2: Convert to fraction form
    145,894.13/218,841.20 = 35,086.13/x
  3. Step 3: Cross multiply
    145,894.13x = 218,841.20 × 35,086.13
  4. Step 4: Simplify right side
    145,894.13x = 7,678,289,522.92
  5. Step 5: Solve for x
    x = 7,678,289,522.92/145,894.13
  6. Step 6: Final answer
    x = 52,629.19

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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.