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Finding the Fourth Proportional to 128,505.30, 192,823.83 and 62,002.14

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Solution

The fourth proportional to 128,505.30, 192,823.83 and 62,002.14 is: 93,035.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,505.30 : 192,823.83 = 62,002.14 : x
  2. Step 2: Convert to fraction form
    128,505.30/192,823.83 = 62,002.14/x
  3. Step 3: Cross multiply
    128,505.30x = 192,823.83 × 62,002.14
  4. Step 4: Simplify right side
    128,505.30x = 11,955,490,103.00
  5. Step 5: Solve for x
    x = 11,955,490,103.00/128,505.30
  6. Step 6: Final answer
    x = 93,035.00

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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.