Finding the Fourth Proportional to 125,159.99, 172,886.42 and 93,273.53
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Solution
The fourth proportional to 125,159.99, 172,886.42 and 93,273.53 is: 128,840.91
Step by Step Solution
- Step 1: Write the proportion equation
125,159.99 : 172,886.42 = 93,273.53 : x - Step 2: Convert to fraction form
125,159.99/172,886.42 = 93,273.53/x - Step 3: Cross multiply
125,159.99x = 172,886.42 × 93,273.53 - Step 4: Simplify right side
125,159.99x = 16,125,726,682.46 - Step 5: Solve for x
x = 16,125,726,682.46/125,159.99 - Step 6: Final answer
x = 128,840.91
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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.