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Finding the Fourth Proportional to 243,865.81, 336,649.88 and 183,459.51

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Solution

The fourth proportional to 243,865.81, 336,649.88 and 183,459.51 is: 253,260.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,865.81 : 336,649.88 = 183,459.51 : x
  2. Step 2: Convert to fraction form
    243,865.81/336,649.88 = 183,459.51/x
  3. Step 3: Cross multiply
    243,865.81x = 336,649.88 × 183,459.51
  4. Step 4: Simplify right side
    243,865.81x = 61,761,622,026.36
  5. Step 5: Solve for x
    x = 61,761,622,026.36/243,865.81
  6. Step 6: Final answer
    x = 253,260.68

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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.