Finding the Fourth Proportional to 113,573.13, 156,585.35 and 93,079.75
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Solution
The fourth proportional to 113,573.13, 156,585.35 and 93,079.75 is: 128,330.75
Step by Step Solution
- Step 1: Write the proportion equation
113,573.13 : 156,585.35 = 93,079.75 : x - Step 2: Convert to fraction form
113,573.13/156,585.35 = 93,079.75/x - Step 3: Cross multiply
113,573.13x = 156,585.35 × 93,079.75 - Step 4: Simplify right side
113,573.13x = 14,574,925,231.66 - Step 5: Solve for x
x = 14,574,925,231.66/113,573.13 - Step 6: Final answer
x = 128,330.75
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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.