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Finding the Fourth Proportional to 252,048.48, 347,830.90 and 137,332.54

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Solution

The fourth proportional to 252,048.48, 347,830.90 and 137,332.54 is: 189,521.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,048.48 : 347,830.90 = 137,332.54 : x
  2. Step 2: Convert to fraction form
    252,048.48/347,830.90 = 137,332.54/x
  3. Step 3: Cross multiply
    252,048.48x = 347,830.90 × 137,332.54
  4. Step 4: Simplify right side
    252,048.48x = 47,768,500,987.49
  5. Step 5: Solve for x
    x = 47,768,500,987.49/252,048.48
  6. Step 6: Final answer
    x = 189,521.08

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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.