Finding the Fourth Proportional to 110,349.81, 165,526.25 and 31,464.06
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Solution
The fourth proportional to 110,349.81, 165,526.25 and 31,464.06 is: 47,196.53
Step by Step Solution
- Step 1: Write the proportion equation
110,349.81 : 165,526.25 = 31,464.06 : x - Step 2: Convert to fraction form
110,349.81/165,526.25 = 31,464.06/x - Step 3: Cross multiply
110,349.81x = 165,526.25 × 31,464.06 - Step 4: Simplify right side
110,349.81x = 5,208,127,704.25 - Step 5: Solve for x
x = 5,208,127,704.25/110,349.81 - Step 6: Final answer
x = 47,196.53
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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.