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Finding the Fourth Proportional to 252,681.69, 348,661.02 and 145,231.65

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Solution

The fourth proportional to 252,681.69, 348,661.02 and 145,231.65 is: 200,396.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,681.69 : 348,661.02 = 145,231.65 : x
  2. Step 2: Convert to fraction form
    252,681.69/348,661.02 = 145,231.65/x
  3. Step 3: Cross multiply
    252,681.69x = 348,661.02 × 145,231.65
  4. Step 4: Simplify right side
    252,681.69x = 50,636,615,225.28
  5. Step 5: Solve for x
    x = 50,636,615,225.28/252,681.69
  6. Step 6: Final answer
    x = 200,396.85

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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.