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Finding the Fourth Proportional to 181,076.01, 249,873.15 and 100,503.55

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Solution

The fourth proportional to 181,076.01, 249,873.15 and 100,503.55 is: 138,688.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,076.01 : 249,873.15 = 100,503.55 : x
  2. Step 2: Convert to fraction form
    181,076.01/249,873.15 = 100,503.55/x
  3. Step 3: Cross multiply
    181,076.01x = 249,873.15 × 100,503.55
  4. Step 4: Simplify right side
    181,076.01x = 25,113,138,624.68
  5. Step 5: Solve for x
    x = 25,113,138,624.68/181,076.01
  6. Step 6: Final answer
    x = 138,688.38

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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.