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Finding the Fourth Proportional to 66,341.88, 99,239.40 and 60,502.56

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Solution

The fourth proportional to 66,341.88, 99,239.40 and 60,502.56 is: 90,504.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,341.88 : 99,239.40 = 60,502.56 : x
  2. Step 2: Convert to fraction form
    66,341.88/99,239.40 = 60,502.56/x
  3. Step 3: Cross multiply
    66,341.88x = 99,239.40 × 60,502.56
  4. Step 4: Simplify right side
    66,341.88x = 6,004,237,752.86
  5. Step 5: Solve for x
    x = 6,004,237,752.86/66,341.88
  6. Step 6: Final answer
    x = 90,504.49

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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.