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Finding the Fourth Proportional to 178,052.40, 266,646.60 and 94,762.80

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Solution

The fourth proportional to 178,052.40, 266,646.60 and 94,762.80 is: 141,914.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,052.40 : 266,646.60 = 94,762.80 : x
  2. Step 2: Convert to fraction form
    178,052.40/266,646.60 = 94,762.80/x
  3. Step 3: Cross multiply
    178,052.40x = 266,646.60 × 94,762.80
  4. Step 4: Simplify right side
    178,052.40x = 25,268,178,426.48
  5. Step 5: Solve for x
    x = 25,268,178,426.48/178,052.40
  6. Step 6: Final answer
    x = 141,914.28

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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.