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Finding the Fourth Proportional to 150,189.76, 207,178.86 and 96,482.74

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Solution

The fourth proportional to 150,189.76, 207,178.86 and 96,482.74 is: 133,092.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,189.76 : 207,178.86 = 96,482.74 : x
  2. Step 2: Convert to fraction form
    150,189.76/207,178.86 = 96,482.74/x
  3. Step 3: Cross multiply
    150,189.76x = 207,178.86 × 96,482.74
  4. Step 4: Simplify right side
    150,189.76x = 19,989,184,082.88
  5. Step 5: Solve for x
    x = 19,989,184,082.88/150,189.76
  6. Step 6: Final answer
    x = 133,092.86

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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.