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Finding the Fourth Proportional to 108,323.70, 162,485.55 and 98,482.20

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Solution

The fourth proportional to 108,323.70, 162,485.55 and 98,482.20 is: 147,723.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,323.70 : 162,485.55 = 98,482.20 : x
  2. Step 2: Convert to fraction form
    108,323.70/162,485.55 = 98,482.20/x
  3. Step 3: Cross multiply
    108,323.70x = 162,485.55 × 98,482.20
  4. Step 4: Simplify right side
    108,323.70x = 16,001,934,432.21
  5. Step 5: Solve for x
    x = 16,001,934,432.21/108,323.70
  6. Step 6: Final answer
    x = 147,723.30

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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.