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Finding the Fourth Proportional to 366,047.72, 549,014.88 and 99,829.88

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Solution

The fourth proportional to 366,047.72, 549,014.88 and 99,829.88 is: 149,729.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,047.72 : 549,014.88 = 99,829.88 : x
  2. Step 2: Convert to fraction form
    366,047.72/549,014.88 = 99,829.88/x
  3. Step 3: Cross multiply
    366,047.72x = 549,014.88 × 99,829.88
  4. Step 4: Simplify right side
    366,047.72x = 54,808,089,588.61
  5. Step 5: Solve for x
    x = 54,808,089,588.61/366,047.72
  6. Step 6: Final answer
    x = 149,729.36

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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.