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Finding the Fourth Proportional to 176,426.51, 264,639.35 and 76,573.76

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Solution

The fourth proportional to 176,426.51, 264,639.35 and 76,573.76 is: 114,860.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,426.51 : 264,639.35 = 76,573.76 : x
  2. Step 2: Convert to fraction form
    176,426.51/264,639.35 = 76,573.76/x
  3. Step 3: Cross multiply
    176,426.51x = 264,639.35 × 76,573.76
  4. Step 4: Simplify right side
    176,426.51x = 20,264,428,941.69
  5. Step 5: Solve for x
    x = 20,264,428,941.69/176,426.51
  6. Step 6: Final answer
    x = 114,860.46

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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.