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Finding the Fourth Proportional to 113,527.69, 156,668.21 and 63,226.69

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Solution

The fourth proportional to 113,527.69, 156,668.21 and 63,226.69 is: 87,252.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,527.69 : 156,668.21 = 63,226.69 : x
  2. Step 2: Convert to fraction form
    113,527.69/156,668.21 = 63,226.69/x
  3. Step 3: Cross multiply
    113,527.69x = 156,668.21 × 63,226.69
  4. Step 4: Simplify right side
    113,527.69x = 9,905,611,875.82
  5. Step 5: Solve for x
    x = 9,905,611,875.82/113,527.69
  6. Step 6: Final answer
    x = 87,252.83

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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.