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Finding the Fourth Proportional to 116,750.88, 175,130.08 and 45,670.72

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Solution

The fourth proportional to 116,750.88, 175,130.08 and 45,670.72 is: 68,507.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,750.88 : 175,130.08 = 45,670.72 : x
  2. Step 2: Convert to fraction form
    116,750.88/175,130.08 = 45,670.72/x
  3. Step 3: Cross multiply
    116,750.88x = 175,130.08 × 45,670.72
  4. Step 4: Simplify right side
    116,750.88x = 7,998,316,847.26
  5. Step 5: Solve for x
    x = 7,998,316,847.26/116,750.88
  6. Step 6: Final answer
    x = 68,507.55

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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.