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Finding the Fourth Proportional to 89,165.60, 133,736.16 and 62,430.56

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Solution

The fourth proportional to 89,165.60, 133,736.16 and 62,430.56 is: 93,637.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,165.60 : 133,736.16 = 62,430.56 : x
  2. Step 2: Convert to fraction form
    89,165.60/133,736.16 = 62,430.56/x
  3. Step 3: Cross multiply
    89,165.60x = 133,736.16 × 62,430.56
  4. Step 4: Simplify right side
    89,165.60x = 8,349,223,361.05
  5. Step 5: Solve for x
    x = 8,349,223,361.05/89,165.60
  6. Step 6: Final answer
    x = 93,637.27

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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.