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Finding the Fourth Proportional to 176,739.99, 264,938.49 and 70,089

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Solution

The fourth proportional to 176,739.99, 264,938.49 and 70,089 is: 105,065.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,739.99 : 264,938.49 = 70,089 : x
  2. Step 2: Convert to fraction form
    176,739.99/264,938.49 = 70,089/x
  3. Step 3: Cross multiply
    176,739.99x = 264,938.49 × 70,089
  4. Step 4: Simplify right side
    176,739.99x = 18,569,273,825.61
  5. Step 5: Solve for x
    x = 18,569,273,825.61/176,739.99
  6. Step 6: Final answer
    x = 105,065.49

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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.