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Finding the Fourth Proportional to 181,035.71, 249,832.00 and 100,468.45

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Solution

The fourth proportional to 181,035.71, 249,832.00 and 100,468.45 is: 138,647.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,035.71 : 249,832.00 = 100,468.45 : x
  2. Step 2: Convert to fraction form
    181,035.71/249,832.00 = 100,468.45/x
  3. Step 3: Cross multiply
    181,035.71x = 249,832.00 × 100,468.45
  4. Step 4: Simplify right side
    181,035.71x = 25,100,233,673.14
  5. Step 5: Solve for x
    x = 25,100,233,673.14/181,035.71
  6. Step 6: Final answer
    x = 138,647.97

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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.