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Finding the Fourth Proportional to 89,119.40, 133,460.40 and 59,376.20

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Solution

The fourth proportional to 89,119.40, 133,460.40 and 59,376.20 is: 88,918.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,119.40 : 133,460.40 = 59,376.20 : x
  2. Step 2: Convert to fraction form
    89,119.40/133,460.40 = 59,376.20/x
  3. Step 3: Cross multiply
    89,119.40x = 133,460.40 × 59,376.20
  4. Step 4: Simplify right side
    89,119.40x = 7,924,371,402.48
  5. Step 5: Solve for x
    x = 7,924,371,402.48/89,119.40
  6. Step 6: Final answer
    x = 88,918.59

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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.