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Finding the Fourth Proportional to 219,264.79, 302,585.42 and 118,662.79

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Solution

The fourth proportional to 219,264.79, 302,585.42 and 118,662.79 is: 163,754.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,264.79 : 302,585.42 = 118,662.79 : x
  2. Step 2: Convert to fraction form
    219,264.79/302,585.42 = 118,662.79/x
  3. Step 3: Cross multiply
    219,264.79x = 302,585.42 × 118,662.79
  4. Step 4: Simplify right side
    219,264.79x = 35,905,628,981.53
  5. Step 5: Solve for x
    x = 35,905,628,981.53/219,264.79
  6. Step 6: Final answer
    x = 163,754.65

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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.