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Finding the Fourth Proportional to 157,588.71, 236,378.75 and 52,409.67

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Solution

The fourth proportional to 157,588.71, 236,378.75 and 52,409.67 is: 78,613.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,588.71 : 236,378.75 = 52,409.67 : x
  2. Step 2: Convert to fraction form
    157,588.71/236,378.75 = 52,409.67/x
  3. Step 3: Cross multiply
    157,588.71x = 236,378.75 × 52,409.67
  4. Step 4: Simplify right side
    157,588.71x = 12,388,532,020.46
  5. Step 5: Solve for x
    x = 12,388,532,020.46/157,588.71
  6. Step 6: Final answer
    x = 78,613.07

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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.