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Finding the Fourth Proportional to 105,344.74, 145,375.72 and 57,598.08

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Solution

The fourth proportional to 105,344.74, 145,375.72 and 57,598.08 is: 79,485.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,344.74 : 145,375.72 = 57,598.08 : x
  2. Step 2: Convert to fraction form
    105,344.74/145,375.72 = 57,598.08/x
  3. Step 3: Cross multiply
    105,344.74x = 145,375.72 × 57,598.08
  4. Step 4: Simplify right side
    105,344.74x = 8,373,362,350.62
  5. Step 5: Solve for x
    x = 8,373,362,350.62/105,344.74
  6. Step 6: Final answer
    x = 79,485.34

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1.5x scale

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.