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Finding the Fourth Proportional to 141,527.93, 212,373.90 and 71,412.71

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Solution

The fourth proportional to 141,527.93, 212,373.90 and 71,412.71 is: 107,160.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,527.93 : 212,373.90 = 71,412.71 : x
  2. Step 2: Convert to fraction form
    141,527.93/212,373.90 = 71,412.71/x
  3. Step 3: Cross multiply
    141,527.93x = 212,373.90 × 71,412.71
  4. Step 4: Simplify right side
    141,527.93x = 15,166,194,670.40
  5. Step 5: Solve for x
    x = 15,166,194,670.40/141,527.93
  6. Step 6: Final answer
    x = 107,160.44

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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.