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Finding the Fourth Proportional to 133,801.16, 200,703.18 and 40,307.72

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Solution

The fourth proportional to 133,801.16, 200,703.18 and 40,307.72 is: 60,462.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,801.16 : 200,703.18 = 40,307.72 : x
  2. Step 2: Convert to fraction form
    133,801.16/200,703.18 = 40,307.72/x
  3. Step 3: Cross multiply
    133,801.16x = 200,703.18 × 40,307.72
  4. Step 4: Simplify right side
    133,801.16x = 8,089,887,582.55
  5. Step 5: Solve for x
    x = 8,089,887,582.55/133,801.16
  6. Step 6: Final answer
    x = 60,462.01

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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.