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Finding the Fourth Proportional to 126,607.60, 189,692.70 and 59,904.10

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Solution

The fourth proportional to 126,607.60, 189,692.70 and 59,904.10 is: 89,752.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,607.60 : 189,692.70 = 59,904.10 : x
  2. Step 2: Convert to fraction form
    126,607.60/189,692.70 = 59,904.10/x
  3. Step 3: Cross multiply
    126,607.60x = 189,692.70 × 59,904.10
  4. Step 4: Simplify right side
    126,607.60x = 11,363,370,470.07
  5. Step 5: Solve for x
    x = 11,363,370,470.07/126,607.60
  6. Step 6: Final answer
    x = 89,752.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.