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Finding the Fourth Proportional to 181,076.50, 249,873.84 and 100,504.06

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Solution

The fourth proportional to 181,076.50, 249,873.84 and 100,504.06 is: 138,689.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,076.50 : 249,873.84 = 100,504.06 : x
  2. Step 2: Convert to fraction form
    181,076.50/249,873.84 = 100,504.06/x
  3. Step 3: Cross multiply
    181,076.50x = 249,873.84 × 100,504.06
  4. Step 4: Simplify right side
    181,076.50x = 25,113,335,407.79
  5. Step 5: Solve for x
    x = 25,113,335,407.79/181,076.50
  6. Step 6: Final answer
    x = 138,689.09

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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.