Finding the Fourth Proportional to 124,368,194.48, 171,628,337.40 and 69,367,596.08
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Solution
The fourth proportional to 124,368,194.48, 171,628,337.40 and 69,367,596.08 is: 95,727,410.33
Step by Step Solution
- Step 1: Write the proportion equation
124,368,194.48 : 171,628,337.40 = 69,367,596.08 : x - Step 2: Convert to fraction form
124,368,194.48/171,628,337.40 = 69,367,596.08/x - Step 3: Cross multiply
124,368,194.48x = 171,628,337.40 × 69,367,596.08 - Step 4: Simplify right side
124,368,194.48x = 11,905,445,184,645,158 - Step 5: Solve for x
x = 11,905,445,184,645,158/124,368,194.48 - Step 6: Final answer
x = 95,727,410.33
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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.