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Finding the Fourth Proportional to 72,495.75, 100,061.42 and 44,225.13

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Solution

The fourth proportional to 72,495.75, 100,061.42 and 44,225.13 is: 61,041.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,495.75 : 100,061.42 = 44,225.13 : x
  2. Step 2: Convert to fraction form
    72,495.75/100,061.42 = 44,225.13/x
  3. Step 3: Cross multiply
    72,495.75x = 100,061.42 × 44,225.13
  4. Step 4: Simplify right side
    72,495.75x = 4,425,229,086.36
  5. Step 5: Solve for x
    x = 4,425,229,086.36/72,495.75
  6. Step 6: Final answer
    x = 61,041.22

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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.