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Finding the Fourth Proportional to 98,597.25, 136,064.21 and 53,885.25

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Solution

The fourth proportional to 98,597.25, 136,064.21 and 53,885.25 is: 74,361.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,597.25 : 136,064.21 = 53,885.25 : x
  2. Step 2: Convert to fraction form
    98,597.25/136,064.21 = 53,885.25/x
  3. Step 3: Cross multiply
    98,597.25x = 136,064.21 × 53,885.25
  4. Step 4: Simplify right side
    98,597.25x = 7,331,853,702.48
  5. Step 5: Solve for x
    x = 7,331,853,702.48/98,597.25
  6. Step 6: Final answer
    x = 74,361.65

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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.