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Finding the Fourth Proportional to 181,032.33, 249,820.83 and 100,459.20

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Solution

The fourth proportional to 181,032.33, 249,820.83 and 100,459.20 is: 138,631.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,032.33 : 249,820.83 = 100,459.20 : x
  2. Step 2: Convert to fraction form
    181,032.33/249,820.83 = 100,459.20/x
  3. Step 3: Cross multiply
    181,032.33x = 249,820.83 × 100,459.20
  4. Step 4: Simplify right side
    181,032.33x = 25,096,800,725.14
  5. Step 5: Solve for x
    x = 25,096,800,725.14/181,032.33
  6. Step 6: Final answer
    x = 138,631.60

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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.