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Finding the Fourth Proportional to 176,430.76, 264,642.04 and 43,310.80

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Solution

The fourth proportional to 176,430.76, 264,642.04 and 43,310.80 is: 64,965.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,430.76 : 264,642.04 = 43,310.80 : x
  2. Step 2: Convert to fraction form
    176,430.76/264,642.04 = 43,310.80/x
  3. Step 3: Cross multiply
    176,430.76x = 264,642.04 × 43,310.80
  4. Step 4: Simplify right side
    176,430.76x = 11,461,858,607.35
  5. Step 5: Solve for x
    x = 11,461,858,607.35/176,430.76
  6. Step 6: Final answer
    x = 64,965.20

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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.