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Finding the Fourth Proportional to 144,008.52, 198,768.20 and 85,927.72

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Solution

The fourth proportional to 144,008.52, 198,768.20 and 85,927.72 is: 118,602.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,008.52 : 198,768.20 = 85,927.72 : x
  2. Step 2: Convert to fraction form
    144,008.52/198,768.20 = 85,927.72/x
  3. Step 3: Cross multiply
    144,008.52x = 198,768.20 × 85,927.72
  4. Step 4: Simplify right side
    144,008.52x = 17,079,698,234.50
  5. Step 5: Solve for x
    x = 17,079,698,234.50/144,008.52
  6. Step 6: Final answer
    x = 118,602.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.