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Finding the Fourth Proportional to 169,087.50, 253,670.13 and 58,279.50

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Solution

The fourth proportional to 169,087.50, 253,670.13 and 58,279.50 is: 87,432.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,087.50 : 253,670.13 = 58,279.50 : x
  2. Step 2: Convert to fraction form
    169,087.50/253,670.13 = 58,279.50/x
  3. Step 3: Cross multiply
    169,087.50x = 253,670.13 × 58,279.50
  4. Step 4: Simplify right side
    169,087.50x = 14,783,768,341.34
  5. Step 5: Solve for x
    x = 14,783,768,341.34/169,087.50
  6. Step 6: Final answer
    x = 87,432.65

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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.