Finding the Fourth Proportional to 116,547.08, 174,707.21 and 74,295.32
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Solution
The fourth proportional to 116,547.08, 174,707.21 and 74,295.32 is: 111,370.68
Step by Step Solution
- Step 1: Write the proportion equation
116,547.08 : 174,707.21 = 74,295.32 : x - Step 2: Convert to fraction form
116,547.08/174,707.21 = 74,295.32/x - Step 3: Cross multiply
116,547.08x = 174,707.21 × 74,295.32 - Step 4: Simplify right side
116,547.08x = 12,979,926,828.24 - Step 5: Solve for x
x = 12,979,926,828.24/116,547.08 - Step 6: Final answer
x = 111,370.68
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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.