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Finding the Fourth Proportional to 78,017.14, 107,678.22 and 44,483.14

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Solution

The fourth proportional to 78,017.14, 107,678.22 and 44,483.14 is: 61,395.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,017.14 : 107,678.22 = 44,483.14 : x
  2. Step 2: Convert to fraction form
    78,017.14/107,678.22 = 44,483.14/x
  3. Step 3: Cross multiply
    78,017.14x = 107,678.22 × 44,483.14
  4. Step 4: Simplify right side
    78,017.14x = 4,789,865,335.21
  5. Step 5: Solve for x
    x = 4,789,865,335.21/78,017.14
  6. Step 6: Final answer
    x = 61,395.04

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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.