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Finding the Fourth Proportional to 240,750.40, 361,263.88 and 188,011.84

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Solution

The fourth proportional to 240,750.40, 361,263.88 and 188,011.84 is: 282,125.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,750.40 : 361,263.88 = 188,011.84 : x
  2. Step 2: Convert to fraction form
    240,750.40/361,263.88 = 188,011.84/x
  3. Step 3: Cross multiply
    240,750.40x = 361,263.88 × 188,011.84
  4. Step 4: Simplify right side
    240,750.40x = 67,921,886,804.34
  5. Step 5: Solve for x
    x = 67,921,886,804.34/240,750.40
  6. Step 6: Final answer
    x = 282,125.75

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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.