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Finding the Fourth Proportional to 178,352.32, 246,128.20 and 101,881.54

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Solution

The fourth proportional to 178,352.32, 246,128.20 and 101,881.54 is: 140,597.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,352.32 : 246,128.20 = 101,881.54 : x
  2. Step 2: Convert to fraction form
    178,352.32/246,128.20 = 101,881.54/x
  3. Step 3: Cross multiply
    178,352.32x = 246,128.20 × 101,881.54
  4. Step 4: Simplify right side
    178,352.32x = 25,075,920,053.43
  5. Step 5: Solve for x
    x = 25,075,920,053.43/178,352.32
  6. Step 6: Final answer
    x = 140,597.67

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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.