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Finding the Fourth Proportional to 98,625.64, 136,102.82 and 53,913.64

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Solution

The fourth proportional to 98,625.64, 136,102.82 and 53,913.64 is: 74,400.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,625.64 : 136,102.82 = 53,913.64 : x
  2. Step 2: Convert to fraction form
    98,625.64/136,102.82 = 53,913.64/x
  3. Step 3: Cross multiply
    98,625.64x = 136,102.82 × 53,913.64
  4. Step 4: Simplify right side
    98,625.64x = 7,337,798,440.46
  5. Step 5: Solve for x
    x = 7,337,798,440.46/98,625.64
  6. Step 6: Final answer
    x = 74,400.52

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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.