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Finding the Fourth Proportional to 194,683.30, 292,024.95 and 120,955.30

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Solution

The fourth proportional to 194,683.30, 292,024.95 and 120,955.30 is: 181,432.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,683.30 : 292,024.95 = 120,955.30 : x
  2. Step 2: Convert to fraction form
    194,683.30/292,024.95 = 120,955.30/x
  3. Step 3: Cross multiply
    194,683.30x = 292,024.95 × 120,955.30
  4. Step 4: Simplify right side
    194,683.30x = 35,321,965,434.74
  5. Step 5: Solve for x
    x = 35,321,965,434.74/194,683.30
  6. Step 6: Final answer
    x = 181,432.95

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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.