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Finding the Fourth Proportional to 176,756.63, 243,881.62 and 104,162.49

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Solution

The fourth proportional to 176,756.63, 243,881.62 and 104,162.49 is: 143,719.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,756.63 : 243,881.62 = 104,162.49 : x
  2. Step 2: Convert to fraction form
    176,756.63/243,881.62 = 104,162.49/x
  3. Step 3: Cross multiply
    176,756.63x = 243,881.62 × 104,162.49
  4. Step 4: Simplify right side
    176,756.63x = 25,403,317,522.90
  5. Step 5: Solve for x
    x = 25,403,317,522.90/176,756.63
  6. Step 6: Final answer
    x = 143,719.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.