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Finding the Fourth Proportional to 181,076.90, 249,898.71 and 104,621.81

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Solution

The fourth proportional to 181,076.90, 249,898.71 and 104,621.81 is: 144,385.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,076.90 : 249,898.71 = 104,621.81 : x
  2. Step 2: Convert to fraction form
    181,076.90/249,898.71 = 104,621.81/x
  3. Step 3: Cross multiply
    181,076.90x = 249,898.71 × 104,621.81
  4. Step 4: Simplify right side
    181,076.90x = 26,144,854,107.37
  5. Step 5: Solve for x
    x = 26,144,854,107.37/181,076.90
  6. Step 6: Final answer
    x = 144,385.37

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1.5x scale

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.