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Finding the Fourth Proportional to 194,940.80, 292,411.20 and 101,434.40

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Solution

The fourth proportional to 194,940.80, 292,411.20 and 101,434.40 is: 152,151.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,940.80 : 292,411.20 = 101,434.40 : x
  2. Step 2: Convert to fraction form
    194,940.80/292,411.20 = 101,434.40/x
  3. Step 3: Cross multiply
    194,940.80x = 292,411.20 × 101,434.40
  4. Step 4: Simplify right side
    194,940.80x = 29,660,554,625.28
  5. Step 5: Solve for x
    x = 29,660,554,625.28/194,940.80
  6. Step 6: Final answer
    x = 152,151.60

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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.