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Finding the Fourth Proportional to 181,066.32, 249,859.92 and 100,493.94

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Solution

The fourth proportional to 181,066.32, 249,859.92 and 100,493.94 is: 138,675.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,066.32 : 249,859.92 = 100,493.94 : x
  2. Step 2: Convert to fraction form
    181,066.32/249,859.92 = 100,493.94/x
  3. Step 3: Cross multiply
    181,066.32x = 249,859.92 × 100,493.94
  4. Step 4: Simplify right side
    181,066.32x = 25,109,407,808.88
  5. Step 5: Solve for x
    x = 25,109,407,808.88/181,066.32
  6. Step 6: Final answer
    x = 138,675.20

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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.