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Finding the Fourth Proportional to 133,011.94, 199,200.12 and 73,700.50

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Solution

The fourth proportional to 133,011.94, 199,200.12 and 73,700.50 is: 110,374.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,011.94 : 199,200.12 = 73,700.50 : x
  2. Step 2: Convert to fraction form
    133,011.94/199,200.12 = 73,700.50/x
  3. Step 3: Cross multiply
    133,011.94x = 199,200.12 × 73,700.50
  4. Step 4: Simplify right side
    133,011.94x = 14,681,148,444.06
  5. Step 5: Solve for x
    x = 14,681,148,444.06/133,011.94
  6. Step 6: Final answer
    x = 110,374.67

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1.5x scale

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.