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Finding the Fourth Proportional to 117,668.60, 176,502.90 and 58,513.40

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Solution

The fourth proportional to 117,668.60, 176,502.90 and 58,513.40 is: 87,770.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,668.60 : 176,502.90 = 58,513.40 : x
  2. Step 2: Convert to fraction form
    117,668.60/176,502.90 = 58,513.40/x
  3. Step 3: Cross multiply
    117,668.60x = 176,502.90 × 58,513.40
  4. Step 4: Simplify right side
    117,668.60x = 10,327,784,788.86
  5. Step 5: Solve for x
    x = 10,327,784,788.86/117,668.60
  6. Step 6: Final answer
    x = 87,770.10

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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.