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Finding the Fourth Proportional to 141,783.72, 212,663.88 and 46,982.94

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Solution

The fourth proportional to 141,783.72, 212,663.88 and 46,982.94 is: 70,470.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,783.72 : 212,663.88 = 46,982.94 : x
  2. Step 2: Convert to fraction form
    141,783.72/212,663.88 = 46,982.94/x
  3. Step 3: Cross multiply
    141,783.72x = 212,663.88 × 46,982.94
  4. Step 4: Simplify right side
    141,783.72x = 9,991,573,516.72
  5. Step 5: Solve for x
    x = 9,991,573,516.72/141,783.72
  6. Step 6: Final answer
    x = 70,470.53

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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.