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Finding the Fourth Proportional to 74,522.40, 111,710.70 and 37,051.80

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Solution

The fourth proportional to 74,522.40, 111,710.70 and 37,051.80 is: 55,541.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,522.40 : 111,710.70 = 37,051.80 : x
  2. Step 2: Convert to fraction form
    74,522.40/111,710.70 = 37,051.80/x
  3. Step 3: Cross multiply
    74,522.40x = 111,710.70 × 37,051.80
  4. Step 4: Simplify right side
    74,522.40x = 4,139,082,514.26
  5. Step 5: Solve for x
    x = 4,139,082,514.26/74,522.40
  6. Step 6: Final answer
    x = 55,541.45

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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.