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Finding the Fourth Proportional to 157,898.34, 236,713.23 and 69,085.62

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Solution

The fourth proportional to 157,898.34, 236,713.23 and 69,085.62 is: 103,569.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,898.34 : 236,713.23 = 69,085.62 : x
  2. Step 2: Convert to fraction form
    157,898.34/236,713.23 = 69,085.62/x
  3. Step 3: Cross multiply
    157,898.34x = 236,713.23 × 69,085.62
  4. Step 4: Simplify right side
    157,898.34x = 16,353,480,256.75
  5. Step 5: Solve for x
    x = 16,353,480,256.75/157,898.34
  6. Step 6: Final answer
    x = 103,569.68

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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.