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Finding the Fourth Proportional to 90,656.00, 125,102.45 and 49,820.03

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Solution

The fourth proportional to 90,656.00, 125,102.45 and 49,820.03 is: 68,750.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,656.00 : 125,102.45 = 49,820.03 : x
  2. Step 2: Convert to fraction form
    90,656.00/125,102.45 = 49,820.03/x
  3. Step 3: Cross multiply
    90,656.00x = 125,102.45 × 49,820.03
  4. Step 4: Simplify right side
    90,656.00x = 6,232,607,311.11
  5. Step 5: Solve for x
    x = 6,232,607,311.11/90,656.00
  6. Step 6: Final answer
    x = 68,750.08

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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.