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Finding the Fourth Proportional to 110,482.32, 152,461.30 and 67,533.72

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Solution

The fourth proportional to 110,482.32, 152,461.30 and 67,533.72 is: 93,193.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,482.32 : 152,461.30 = 67,533.72 : x
  2. Step 2: Convert to fraction form
    110,482.32/152,461.30 = 67,533.72/x
  3. Step 3: Cross multiply
    110,482.32x = 152,461.30 × 67,533.72
  4. Step 4: Simplify right side
    110,482.32x = 10,296,278,576.20
  5. Step 5: Solve for x
    x = 10,296,278,576.20/110,482.32
  6. Step 6: Final answer
    x = 93,193.90

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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.