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Finding the Fourth Proportional to 73,886.90, 110,830.35 and 44,338.10

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Solution

The fourth proportional to 73,886.90, 110,830.35 and 44,338.10 is: 66,507.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,886.90 : 110,830.35 = 44,338.10 : x
  2. Step 2: Convert to fraction form
    73,886.90/110,830.35 = 44,338.10/x
  3. Step 3: Cross multiply
    73,886.90x = 110,830.35 × 44,338.10
  4. Step 4: Simplify right side
    73,886.90x = 4,914,007,141.34
  5. Step 5: Solve for x
    x = 4,914,007,141.34/73,886.90
  6. Step 6: Final answer
    x = 66,507.15

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1.5x scale

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.