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Finding the Fourth Proportional to 157,756.94, 236,635.41 and 46,948.94

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Solution

The fourth proportional to 157,756.94, 236,635.41 and 46,948.94 is: 70,423.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,756.94 : 236,635.41 = 46,948.94 : x
  2. Step 2: Convert to fraction form
    157,756.94/236,635.41 = 46,948.94/x
  3. Step 3: Cross multiply
    157,756.94x = 236,635.41 × 46,948.94
  4. Step 4: Simplify right side
    157,756.94x = 11,109,781,665.97
  5. Step 5: Solve for x
    x = 11,109,781,665.97/157,756.94
  6. Step 6: Final answer
    x = 70,423.41

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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.