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Finding the Fourth Proportional to 240,763.40, 361,202.70 and 116,001.80

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Solution

The fourth proportional to 240,763.40, 361,202.70 and 116,001.80 is: 174,030.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,763.40 : 361,202.70 = 116,001.80 : x
  2. Step 2: Convert to fraction form
    240,763.40/361,202.70 = 116,001.80/x
  3. Step 3: Cross multiply
    240,763.40x = 361,202.70 × 116,001.80
  4. Step 4: Simplify right side
    240,763.40x = 41,900,163,364.86
  5. Step 5: Solve for x
    x = 41,900,163,364.86/240,763.40
  6. Step 6: Final answer
    x = 174,030.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.