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Finding the Fourth Proportional to 94,473, 130,361.40 and 54,184.68

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Solution

The fourth proportional to 94,473, 130,361.40 and 54,184.68 is: 74,768.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,473 : 130,361.40 = 54,184.68 : x
  2. Step 2: Convert to fraction form
    94,473/130,361.40 = 54,184.68/x
  3. Step 3: Cross multiply
    94,473x = 130,361.40 × 54,184.68
  4. Step 4: Simplify right side
    94,473x = 7,063,590,743.35
  5. Step 5: Solve for x
    x = 7,063,590,743.35/94,473
  6. Step 6: Final answer
    x = 74,768.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.