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Finding the Fourth Proportional to 308,026.96, 425,179.72 and 180,656.08

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Solution

The fourth proportional to 308,026.96, 425,179.72 and 180,656.08 is: 249,365.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,026.96 : 425,179.72 = 180,656.08 : x
  2. Step 2: Convert to fraction form
    308,026.96/425,179.72 = 180,656.08/x
  3. Step 3: Cross multiply
    308,026.96x = 425,179.72 × 180,656.08
  4. Step 4: Simplify right side
    308,026.96x = 76,811,301,510.70
  5. Step 5: Solve for x
    x = 76,811,301,510.70/308,026.96
  6. Step 6: Final answer
    x = 249,365.51

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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.