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Finding the Fourth Proportional to 176,812.25, 265,221.11 and 98,424.71

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Solution

The fourth proportional to 176,812.25, 265,221.11 and 98,424.71 is: 147,638.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,812.25 : 265,221.11 = 98,424.71 : x
  2. Step 2: Convert to fraction form
    176,812.25/265,221.11 = 98,424.71/x
  3. Step 3: Cross multiply
    176,812.25x = 265,221.11 × 98,424.71
  4. Step 4: Simplify right side
    176,812.25x = 26,104,309,019.40
  5. Step 5: Solve for x
    x = 26,104,309,019.40/176,812.25
  6. Step 6: Final answer
    x = 147,638.58

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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.