Finding the Fourth Proportional to 74,197.64, 111,303.36 and 24,278.06
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Solution
The fourth proportional to 74,197.64, 111,303.36 and 24,278.06 is: 36,419.35
Step by Step Solution
- Step 1: Write the proportion equation
74,197.64 : 111,303.36 = 24,278.06 : x - Step 2: Convert to fraction form
74,197.64/111,303.36 = 24,278.06/x - Step 3: Cross multiply
74,197.64x = 111,303.36 × 24,278.06 - Step 4: Simplify right side
74,197.64x = 2,702,229,652.28 - Step 5: Solve for x
x = 2,702,229,652.28/74,197.64 - Step 6: Final answer
x = 36,419.35
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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.