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Finding the Fourth Proportional to 145,648.01, 218,471.94 and 40,466.94

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Solution

The fourth proportional to 145,648.01, 218,471.94 and 40,466.94 is: 60,700.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,648.01 : 218,471.94 = 40,466.94 : x
  2. Step 2: Convert to fraction form
    145,648.01/218,471.94 = 40,466.94/x
  3. Step 3: Cross multiply
    145,648.01x = 218,471.94 × 40,466.94
  4. Step 4: Simplify right side
    145,648.01x = 8,840,890,887.66
  5. Step 5: Solve for x
    x = 8,840,890,887.66/145,648.01
  6. Step 6: Final answer
    x = 60,700.39

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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.