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Finding the Fourth Proportional to 128,096.00, 176,759.04 and 74,370.52

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Solution

The fourth proportional to 128,096.00, 176,759.04 and 74,370.52 is: 102,623.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,096.00 : 176,759.04 = 74,370.52 : x
  2. Step 2: Convert to fraction form
    128,096.00/176,759.04 = 74,370.52/x
  3. Step 3: Cross multiply
    128,096.00x = 176,759.04 × 74,370.52
  4. Step 4: Simplify right side
    128,096.00x = 13,145,662,219.34
  5. Step 5: Solve for x
    x = 13,145,662,219.34/128,096.00
  6. Step 6: Final answer
    x = 102,623.52

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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.