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Finding the Fourth Proportional to 365,973.89, 549,013.31 and 113,276.57

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Solution

The fourth proportional to 365,973.89, 549,013.31 and 113,276.57 is: 169,931.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,973.89 : 549,013.31 = 113,276.57 : x
  2. Step 2: Convert to fraction form
    365,973.89/549,013.31 = 113,276.57/x
  3. Step 3: Cross multiply
    365,973.89x = 549,013.31 × 113,276.57
  4. Step 4: Simplify right side
    365,973.89x = 62,190,345,872.08
  5. Step 5: Solve for x
    x = 62,190,345,872.08/365,973.89
  6. Step 6: Final answer
    x = 169,931.10

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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.