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Finding the Fourth Proportional to 117,892.20, 176,838.30 and 94,564.20

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Solution

The fourth proportional to 117,892.20, 176,838.30 and 94,564.20 is: 141,846.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,892.20 : 176,838.30 = 94,564.20 : x
  2. Step 2: Convert to fraction form
    117,892.20/176,838.30 = 94,564.20/x
  3. Step 3: Cross multiply
    117,892.20x = 176,838.30 × 94,564.20
  4. Step 4: Simplify right side
    117,892.20x = 16,722,572,368.86
  5. Step 5: Solve for x
    x = 16,722,572,368.86/117,892.20
  6. Step 6: Final answer
    x = 141,846.30

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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.