Finding the Fourth Proportional to 110,368.74, 165,558.58 and 31,494.59
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Solution
The fourth proportional to 110,368.74, 165,558.58 and 31,494.59 is: 47,243.45
Step by Step Solution
- Step 1: Write the proportion equation
110,368.74 : 165,558.58 = 31,494.59 : x - Step 2: Convert to fraction form
110,368.74/165,558.58 = 31,494.59/x - Step 3: Cross multiply
110,368.74x = 165,558.58 × 31,494.59 - Step 4: Simplify right side
110,368.74x = 5,214,199,598.08 - Step 5: Solve for x
x = 5,214,199,598.08/110,368.74 - Step 6: Final answer
x = 47,243.45
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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.