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Finding the Fourth Proportional to 131,527.46, 181,530.60 and 127,153.46

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Solution

The fourth proportional to 131,527.46, 181,530.60 and 127,153.46 is: 175,493.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,527.46 : 181,530.60 = 127,153.46 : x
  2. Step 2: Convert to fraction form
    131,527.46/181,530.60 = 127,153.46/x
  3. Step 3: Cross multiply
    131,527.46x = 181,530.60 × 127,153.46
  4. Step 4: Simplify right side
    131,527.46x = 23,082,243,885.88
  5. Step 5: Solve for x
    x = 23,082,243,885.88/131,527.46
  6. Step 6: Final answer
    x = 175,493.72

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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.