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Finding the Fourth Proportional to 262,096.80, 392,816.16 and 112,160.76

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Solution

The fourth proportional to 262,096.80, 392,816.16 and 112,160.76 is: 168,100.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,096.80 : 392,816.16 = 112,160.76 : x
  2. Step 2: Convert to fraction form
    262,096.80/392,816.16 = 112,160.76/x
  3. Step 3: Cross multiply
    262,096.80x = 392,816.16 × 112,160.76
  4. Step 4: Simplify right side
    262,096.80x = 44,058,559,045.88
  5. Step 5: Solve for x
    x = 44,058,559,045.88/262,096.80
  6. Step 6: Final answer
    x = 168,100.33

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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.