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Finding the Fourth Proportional to 366,016.72, 549,008.92 and 99,777.25

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Solution

The fourth proportional to 366,016.72, 549,008.92 and 99,777.25 is: 149,661.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,016.72 : 549,008.92 = 99,777.25 : x
  2. Step 2: Convert to fraction form
    366,016.72/549,008.92 = 99,777.25/x
  3. Step 3: Cross multiply
    366,016.72x = 549,008.92 × 99,777.25
  4. Step 4: Simplify right side
    366,016.72x = 54,778,598,890.55
  5. Step 5: Solve for x
    x = 54,778,598,890.55/366,016.72
  6. Step 6: Final answer
    x = 149,661.46

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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.