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Finding the Fourth Proportional to 194,425.80, 291,465.90 and 127,897.80

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Solution

The fourth proportional to 194,425.80, 291,465.90 and 127,897.80 is: 191,733.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,425.80 : 291,465.90 = 127,897.80 : x
  2. Step 2: Convert to fraction form
    194,425.80/291,465.90 = 127,897.80/x
  3. Step 3: Cross multiply
    194,425.80x = 291,465.90 × 127,897.80
  4. Step 4: Simplify right side
    194,425.80x = 37,277,847,385.02
  5. Step 5: Solve for x
    x = 37,277,847,385.02/194,425.80
  6. Step 6: Final answer
    x = 191,733.03

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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.