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Finding the Fourth Proportional to 116,082.36, 174,123.54 and 76,630.25

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Solution

The fourth proportional to 116,082.36, 174,123.54 and 76,630.25 is: 114,945.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,082.36 : 174,123.54 = 76,630.25 : x
  2. Step 2: Convert to fraction form
    116,082.36/174,123.54 = 76,630.25/x
  3. Step 3: Cross multiply
    116,082.36x = 174,123.54 × 76,630.25
  4. Step 4: Simplify right side
    116,082.36x = 13,343,130,836.39
  5. Step 5: Solve for x
    x = 13,343,130,836.39/116,082.36
  6. Step 6: Final answer
    x = 114,945.38

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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.