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Finding the Fourth Proportional to 157,674.01, 236,512.77 and 52,492.81

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Solution

The fourth proportional to 157,674.01, 236,512.77 and 52,492.81 is: 78,739.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,674.01 : 236,512.77 = 52,492.81 : x
  2. Step 2: Convert to fraction form
    157,674.01/236,512.77 = 52,492.81/x
  3. Step 3: Cross multiply
    157,674.01x = 236,512.77 × 52,492.81
  4. Step 4: Simplify right side
    157,674.01x = 12,415,219,898.18
  5. Step 5: Solve for x
    x = 12,415,219,898.18/157,674.01
  6. Step 6: Final answer
    x = 78,739.80

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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.