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Finding the Fourth Proportional to 249,832.56, 344,736.84 and 153,079.68

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Solution

The fourth proportional to 249,832.56, 344,736.84 and 153,079.68 is: 211,230.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,832.56 : 344,736.84 = 153,079.68 : x
  2. Step 2: Convert to fraction form
    249,832.56/344,736.84 = 153,079.68/x
  3. Step 3: Cross multiply
    249,832.56x = 344,736.84 × 153,079.68
  4. Step 4: Simplify right side
    249,832.56x = 52,772,205,151.41
  5. Step 5: Solve for x
    x = 52,772,205,151.41/249,832.56
  6. Step 6: Final answer
    x = 211,230.29

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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.