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Finding the Fourth Proportional to 83,328.87, 114,994.22 and 45,603.03

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Solution

The fourth proportional to 83,328.87, 114,994.22 and 45,603.03 is: 62,932.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,328.87 : 114,994.22 = 45,603.03 : x
  2. Step 2: Convert to fraction form
    83,328.87/114,994.22 = 45,603.03/x
  3. Step 3: Cross multiply
    83,328.87x = 114,994.22 × 45,603.03
  4. Step 4: Simplify right side
    83,328.87x = 5,244,084,636.47
  5. Step 5: Solve for x
    x = 5,244,084,636.47/83,328.87
  6. Step 6: Final answer
    x = 62,932.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.