Finding the Fourth Proportional to 124,765,826.24, 172,165,284.96 and 69,010,046.48
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Solution
The fourth proportional to 124,765,826.24, 172,165,284.96 and 69,010,046.48 is: 95,227,472.74
Step by Step Solution
- Step 1: Write the proportion equation
124,765,826.24 : 172,165,284.96 = 69,010,046.48 : x - Step 2: Convert to fraction form
124,765,826.24/172,165,284.96 = 69,010,046.48/x - Step 3: Cross multiply
124,765,826.24x = 172,165,284.96 × 69,010,046.48 - Step 4: Simplify right side
124,765,826.24x = 11,881,134,317,332,046 - Step 5: Solve for x
x = 11,881,134,317,332,046/124,765,826.24 - Step 6: Final answer
x = 95,227,472.74
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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.