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Finding the Fourth Proportional to 77,572.64, 116,359.04 and 22,168.64

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Solution

The fourth proportional to 77,572.64, 116,359.04 and 22,168.64 is: 33,252.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,572.64 : 116,359.04 = 22,168.64 : x
  2. Step 2: Convert to fraction form
    77,572.64/116,359.04 = 22,168.64/x
  3. Step 3: Cross multiply
    77,572.64x = 116,359.04 × 22,168.64
  4. Step 4: Simplify right side
    77,572.64x = 2,579,521,668.51
  5. Step 5: Solve for x
    x = 2,579,521,668.51/77,572.64
  6. Step 6: Final answer
    x = 33,252.98

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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.