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Finding the Fourth Proportional to 157,085.78, 235,476.38 and 62,285

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Solution

The fourth proportional to 157,085.78, 235,476.38 and 62,285 is: 93,367.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,085.78 : 235,476.38 = 62,285 : x
  2. Step 2: Convert to fraction form
    157,085.78/235,476.38 = 62,285/x
  3. Step 3: Cross multiply
    157,085.78x = 235,476.38 × 62,285
  4. Step 4: Simplify right side
    157,085.78x = 14,666,646,328.30
  5. Step 5: Solve for x
    x = 14,666,646,328.30/157,085.78
  6. Step 6: Final answer
    x = 93,367.12

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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.