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Finding the Fourth Proportional to 252,536.49, 348,507.71 and 137,822.51

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Solution

The fourth proportional to 252,536.49, 348,507.71 and 137,822.51 is: 190,199.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,536.49 : 348,507.71 = 137,822.51 : x
  2. Step 2: Convert to fraction form
    252,536.49/348,507.71 = 137,822.51/x
  3. Step 3: Cross multiply
    252,536.49x = 348,507.71 × 137,822.51
  4. Step 4: Simplify right side
    252,536.49x = 48,032,207,528.71
  5. Step 5: Solve for x
    x = 48,032,207,528.71/252,536.49
  6. Step 6: Final answer
    x = 190,199.08

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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.