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Finding the Fourth Proportional to 94,356.90, 130,144.50 and 54,055.98

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Solution

The fourth proportional to 94,356.90, 130,144.50 and 54,055.98 is: 74,558.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,356.90 : 130,144.50 = 54,055.98 : x
  2. Step 2: Convert to fraction form
    94,356.90/130,144.50 = 54,055.98/x
  3. Step 3: Cross multiply
    94,356.90x = 130,144.50 × 54,055.98
  4. Step 4: Simplify right side
    94,356.90x = 7,035,088,489.11
  5. Step 5: Solve for x
    x = 7,035,088,489.11/94,356.90
  6. Step 6: Final answer
    x = 74,558.28

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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.