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Finding the Fourth Proportional to 59,998.40, 89,900.40 and 51,250.40

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Solution

The fourth proportional to 59,998.40, 89,900.40 and 51,250.40 is: 76,792.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,998.40 : 89,900.40 = 51,250.40 : x
  2. Step 2: Convert to fraction form
    59,998.40/89,900.40 = 51,250.40/x
  3. Step 3: Cross multiply
    59,998.40x = 89,900.40 × 51,250.40
  4. Step 4: Simplify right side
    59,998.40x = 4,607,431,460.16
  5. Step 5: Solve for x
    x = 4,607,431,460.16/59,998.40
  6. Step 6: Final answer
    x = 76,792.57

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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.