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Finding the Fourth Proportional to 73,152.95, 100,949.85 and 40,888.32

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Solution

The fourth proportional to 73,152.95, 100,949.85 and 40,888.32 is: 56,425.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,152.95 : 100,949.85 = 40,888.32 : x
  2. Step 2: Convert to fraction form
    73,152.95/100,949.85 = 40,888.32/x
  3. Step 3: Cross multiply
    73,152.95x = 100,949.85 × 40,888.32
  4. Step 4: Simplify right side
    73,152.95x = 4,127,669,770.75
  5. Step 5: Solve for x
    x = 4,127,669,770.75/73,152.95
  6. Step 6: Final answer
    x = 56,425.20

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1.5x scale

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.