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Finding the Fourth Proportional to 357,771.84, 536,676.16 and 91,534.64

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Solution

The fourth proportional to 357,771.84, 536,676.16 and 91,534.64 is: 137,306.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,771.84 : 536,676.16 = 91,534.64 : x
  2. Step 2: Convert to fraction form
    357,771.84/536,676.16 = 91,534.64/x
  3. Step 3: Cross multiply
    357,771.84x = 536,676.16 × 91,534.64
  4. Step 4: Simplify right side
    357,771.84x = 49,124,459,102.18
  5. Step 5: Solve for x
    x = 49,124,459,102.18/357,771.84
  6. Step 6: Final answer
    x = 137,306.67

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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.