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Finding the Fourth Proportional to 98,779.54, 148,174.08 and 32,219.54

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Solution

The fourth proportional to 98,779.54, 148,174.08 and 32,219.54 is: 48,330.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,779.54 : 148,174.08 = 32,219.54 : x
  2. Step 2: Convert to fraction form
    98,779.54/148,174.08 = 32,219.54/x
  3. Step 3: Cross multiply
    98,779.54x = 148,174.08 × 32,219.54
  4. Step 4: Simplify right side
    98,779.54x = 4,774,100,697.52
  5. Step 5: Solve for x
    x = 4,774,100,697.52/98,779.54
  6. Step 6: Final answer
    x = 48,330.87

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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.