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Finding the Fourth Proportional to 116,168.16, 174,252.40 and 76,974.24

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Solution

The fourth proportional to 116,168.16, 174,252.40 and 76,974.24 is: 115,461.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,168.16 : 174,252.40 = 76,974.24 : x
  2. Step 2: Convert to fraction form
    116,168.16/174,252.40 = 76,974.24/x
  3. Step 3: Cross multiply
    116,168.16x = 174,252.40 × 76,974.24
  4. Step 4: Simplify right side
    116,168.16x = 13,412,946,058.18
  5. Step 5: Solve for x
    x = 13,412,946,058.18/116,168.16
  6. Step 6: Final answer
    x = 115,461.47

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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.