Finding the Fourth Proportional to 74,750,533.60, 112,125,800.40 and 74,750,533.60
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Solution
The fourth proportional to 74,750,533.60, 112,125,800.40 and 74,750,533.60 is: 112,125,800.40
Step by Step Solution
- Step 1: Write the proportion equation
74,750,533.60 : 112,125,800.40 = 74,750,533.60 : x - Step 2: Convert to fraction form
74,750,533.60/112,125,800.40 = 74,750,533.60/x - Step 3: Cross multiply
74,750,533.60x = 112,125,800.40 × 74,750,533.60 - Step 4: Simplify right side
74,750,533.60x = 8,381,463,410,227,093 - Step 5: Solve for x
x = 8,381,463,410,227,093/74,750,533.60 - Step 6: Final answer
x = 112,125,800.40
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1.5x scale
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.