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Finding the Fourth Proportional to 181,041.17, 249,839.51 and 100,473.90

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Solution

The fourth proportional to 181,041.17, 249,839.51 and 100,473.90 is: 138,655.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,041.17 : 249,839.51 = 100,473.90 : x
  2. Step 2: Convert to fraction form
    181,041.17/249,839.51 = 100,473.90/x
  3. Step 3: Cross multiply
    181,041.17x = 249,839.51 × 100,473.90
  4. Step 4: Simplify right side
    181,041.17x = 25,102,349,441.42
  5. Step 5: Solve for x
    x = 25,102,349,441.42/181,041.17
  6. Step 6: Final answer
    x = 138,655.48

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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.