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Finding the Fourth Proportional to 252,549.79, 348,520.71 and 137,829.34

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Solution

The fourth proportional to 252,549.79, 348,520.71 and 137,829.34 is: 190,205.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,549.79 : 348,520.71 = 137,829.34 : x
  2. Step 2: Convert to fraction form
    252,549.79/348,520.71 = 137,829.34/x
  3. Step 3: Cross multiply
    252,549.79x = 348,520.71 × 137,829.34
  4. Step 4: Simplify right side
    252,549.79x = 48,036,379,435.63
  5. Step 5: Solve for x
    x = 48,036,379,435.63/252,549.79
  6. Step 6: Final answer
    x = 190,205.58

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1.5x scale

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.