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Finding the Fourth Proportional to 88,858.40, 133,068.90 and 59,115.20

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Solution

The fourth proportional to 88,858.40, 133,068.90 and 59,115.20 is: 88,527.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,858.40 : 133,068.90 = 59,115.20 : x
  2. Step 2: Convert to fraction form
    88,858.40/133,068.90 = 59,115.20/x
  3. Step 3: Cross multiply
    88,858.40x = 133,068.90 × 59,115.20
  4. Step 4: Simplify right side
    88,858.40x = 7,866,394,637.28
  5. Step 5: Solve for x
    x = 7,866,394,637.28/88,858.40
  6. Step 6: Final answer
    x = 88,527.30

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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.