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Finding the Fourth Proportional to 97,454.25, 134,486.87 and 52,742.25

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Solution

The fourth proportional to 97,454.25, 134,486.87 and 52,742.25 is: 72,784.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,454.25 : 134,486.87 = 52,742.25 : x
  2. Step 2: Convert to fraction form
    97,454.25/134,486.87 = 52,742.25/x
  3. Step 3: Cross multiply
    97,454.25x = 134,486.87 × 52,742.25
  4. Step 4: Simplify right side
    97,454.25x = 7,093,139,855.55
  5. Step 5: Solve for x
    x = 7,093,139,855.55/97,454.25
  6. Step 6: Final answer
    x = 72,784.31

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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.