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Finding the Fourth Proportional to 252,084.40, 377,980.80 and 94,328.80

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Solution

The fourth proportional to 252,084.40, 377,980.80 and 94,328.80 is: 141,438.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,084.40 : 377,980.80 = 94,328.80 : x
  2. Step 2: Convert to fraction form
    252,084.40/377,980.80 = 94,328.80/x
  3. Step 3: Cross multiply
    252,084.40x = 377,980.80 × 94,328.80
  4. Step 4: Simplify right side
    252,084.40x = 35,654,475,287.04
  5. Step 5: Solve for x
    x = 35,654,475,287.04/252,084.40
  6. Step 6: Final answer
    x = 141,438.64

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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.