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Finding the Fourth Proportional to 145,857.93, 218,786.86 and 35,049.93

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Solution

The fourth proportional to 145,857.93, 218,786.86 and 35,049.93 is: 52,574.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,857.93 : 218,786.86 = 35,049.93 : x
  2. Step 2: Convert to fraction form
    145,857.93/218,786.86 = 35,049.93/x
  3. Step 3: Cross multiply
    145,857.93x = 218,786.86 × 35,049.93
  4. Step 4: Simplify right side
    145,857.93x = 7,668,464,127.92
  5. Step 5: Solve for x
    x = 7,668,464,127.92/145,857.93
  6. Step 6: Final answer
    x = 52,574.89

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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.