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Finding the Fourth Proportional to 117,744.60, 176,501.70 and 61,613.40

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Solution

The fourth proportional to 117,744.60, 176,501.70 and 61,613.40 is: 92,359.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,744.60 : 176,501.70 = 61,613.40 : x
  2. Step 2: Convert to fraction form
    117,744.60/176,501.70 = 61,613.40/x
  3. Step 3: Cross multiply
    117,744.60x = 176,501.70 × 61,613.40
  4. Step 4: Simplify right side
    117,744.60x = 10,874,869,842.78
  5. Step 5: Solve for x
    x = 10,874,869,842.78/117,744.60
  6. Step 6: Final answer
    x = 92,359.82

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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.