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Finding the Fourth Proportional to 180,937.37, 249,688.74 and 104,453.87

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Solution

The fourth proportional to 180,937.37, 249,688.74 and 104,453.87 is: 144,143.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,937.37 : 249,688.74 = 104,453.87 : x
  2. Step 2: Convert to fraction form
    180,937.37/249,688.74 = 104,453.87/x
  3. Step 3: Cross multiply
    180,937.37x = 249,688.74 × 104,453.87
  4. Step 4: Simplify right side
    180,937.37x = 26,080,953,939.98
  5. Step 5: Solve for x
    x = 26,080,953,939.98/180,937.37
  6. Step 6: Final answer
    x = 144,143.55

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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.