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Finding the Fourth Proportional to 176,950.16, 265,424.52 and 145,719.44

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Solution

The fourth proportional to 176,950.16, 265,424.52 and 145,719.44 is: 218,578.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,950.16 : 265,424.52 = 145,719.44 : x
  2. Step 2: Convert to fraction form
    176,950.16/265,424.52 = 145,719.44/x
  3. Step 3: Cross multiply
    176,950.16x = 265,424.52 × 145,719.44
  4. Step 4: Simplify right side
    176,950.16x = 38,677,512,416.67
  5. Step 5: Solve for x
    x = 38,677,512,416.67/176,950.16
  6. Step 6: Final answer
    x = 218,578.57

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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.