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Finding the Fourth Proportional to 180,954.94, 249,680.40 and 104,472.70

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Solution

The fourth proportional to 180,954.94, 249,680.40 and 104,472.70 is: 144,150.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,954.94 : 249,680.40 = 104,472.70 : x
  2. Step 2: Convert to fraction form
    180,954.94/249,680.40 = 104,472.70/x
  3. Step 3: Cross multiply
    180,954.94x = 249,680.40 × 104,472.70
  4. Step 4: Simplify right side
    180,954.94x = 26,084,785,525.08
  5. Step 5: Solve for x
    x = 26,084,785,525.08/180,954.94
  6. Step 6: Final answer
    x = 144,150.72

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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.