Finding the Fourth Proportional to 96,875,374.56, 133,549,107.12 and 76,212,935.52
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Solution
The fourth proportional to 96,875,374.56, 133,549,107.12 and 76,212,935.52 is: 105,064,569.15
Step by Step Solution
- Step 1: Write the proportion equation
96,875,374.56 : 133,549,107.12 = 76,212,935.52 : x - Step 2: Convert to fraction form
96,875,374.56/133,549,107.12 = 76,212,935.52/x - Step 3: Cross multiply
96,875,374.56x = 133,549,107.12 × 76,212,935.52 - Step 4: Simplify right side
96,875,374.56x = 10,178,169,489,690,132 - Step 5: Solve for x
x = 10,178,169,489,690,132/96,875,374.56 - Step 6: Final answer
x = 105,064,569.15
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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.