Finding the Fourth Proportional to 96,768,473.20, 145,152,709.80 and 94,528,985.20
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Solution
The fourth proportional to 96,768,473.20, 145,152,709.80 and 94,528,985.20 is: 141,793,477.80
Step by Step Solution
- Step 1: Write the proportion equation
96,768,473.20 : 145,152,709.80 = 94,528,985.20 : x - Step 2: Convert to fraction form
96,768,473.20/145,152,709.80 = 94,528,985.20/x - Step 3: Cross multiply
96,768,473.20x = 145,152,709.80 × 94,528,985.20 - Step 4: Simplify right side
96,768,473.20x = 13,721,138,356,424,096 - Step 5: Solve for x
x = 13,721,138,356,424,096/96,768,473.20 - Step 6: Final answer
x = 141,793,477.80
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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.