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Finding the Fourth Proportional to 88,066.40, 132,071.88 and 28,888.32

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Solution

The fourth proportional to 88,066.40, 132,071.88 and 28,888.32 is: 43,323.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,066.40 : 132,071.88 = 28,888.32 : x
  2. Step 2: Convert to fraction form
    88,066.40/132,071.88 = 28,888.32/x
  3. Step 3: Cross multiply
    88,066.40x = 132,071.88 × 28,888.32
  4. Step 4: Simplify right side
    88,066.40x = 3,815,334,732.44
  5. Step 5: Solve for x
    x = 3,815,334,732.44/88,066.40
  6. Step 6: Final answer
    x = 43,323.39

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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.