Finding the Fourth Proportional to 124,367,748.48, 171,627,474.24 and 69,362,424
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Solution
The fourth proportional to 124,367,748.48, 171,627,474.24 and 69,362,424 is: 95,720,134.71
Step by Step Solution
- Step 1: Write the proportion equation
124,367,748.48 : 171,627,474.24 = 69,362,424 : x - Step 2: Convert to fraction form
124,367,748.48/171,627,474.24 = 69,362,424/x - Step 3: Cross multiply
124,367,748.48x = 171,627,474.24 × 69,362,424 - Step 4: Simplify right side
124,367,748.48x = 11,904,497,638,283,958 - Step 5: Solve for x
x = 11,904,497,638,283,958/124,367,748.48 - Step 6: Final answer
x = 95,720,134.71
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1.5x scale
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.