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Finding the Fourth Proportional to 127,666.89, 191,500.38 and 127,482.42

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Solution

The fourth proportional to 127,666.89, 191,500.38 and 127,482.42 is: 191,223.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,666.89 : 191,500.38 = 127,482.42 : x
  2. Step 2: Convert to fraction form
    127,666.89/191,500.38 = 127,482.42/x
  3. Step 3: Cross multiply
    127,666.89x = 191,500.38 × 127,482.42
  4. Step 4: Simplify right side
    127,666.89x = 24,412,931,873.32
  5. Step 5: Solve for x
    x = 24,412,931,873.32/127,666.89
  6. Step 6: Final answer
    x = 191,223.67

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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.