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Finding the Fourth Proportional to 88,507.94, 122,186.09 and 59,978.32

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Solution

The fourth proportional to 88,507.94, 122,186.09 and 59,978.32 is: 82,800.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,507.94 : 122,186.09 = 59,978.32 : x
  2. Step 2: Convert to fraction form
    88,507.94/122,186.09 = 59,978.32/x
  3. Step 3: Cross multiply
    88,507.94x = 122,186.09 × 59,978.32
  4. Step 4: Simplify right side
    88,507.94x = 7,328,516,250.05
  5. Step 5: Solve for x
    x = 7,328,516,250.05/88,507.94
  6. Step 6: Final answer
    x = 82,800.67

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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.