Finding the Fourth Proportional to 88,973,512.80, 133,460,269.20 and 69,863,215.20
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Solution
The fourth proportional to 88,973,512.80, 133,460,269.20 and 69,863,215.20 is: 104,794,822.80
Step by Step Solution
- Step 1: Write the proportion equation
88,973,512.80 : 133,460,269.20 = 69,863,215.20 : x - Step 2: Convert to fraction form
88,973,512.80/133,460,269.20 = 69,863,215.20/x - Step 3: Cross multiply
88,973,512.80x = 133,460,269.20 × 69,863,215.20 - Step 4: Simplify right side
88,973,512.80x = 9,323,963,507,769,532 - Step 5: Solve for x
x = 9,323,963,507,769,532/88,973,512.80 - Step 6: Final answer
x = 104,794,822.80
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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.