Finding the Fourth Proportional to 316,792.54, 475,259.74 and 106,424.74
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Solution
The fourth proportional to 316,792.54, 475,259.74 and 106,424.74 is: 159,660.94
Step by Step Solution
- Step 1: Write the proportion equation
316,792.54 : 475,259.74 = 106,424.74 : x - Step 2: Convert to fraction form
316,792.54/475,259.74 = 106,424.74/x - Step 3: Cross multiply
316,792.54x = 475,259.74 × 106,424.74 - Step 4: Simplify right side
316,792.54x = 50,579,394,261.97 - Step 5: Solve for x
x = 50,579,394,261.97/316,792.54 - Step 6: Final answer
x = 159,660.94
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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.