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Finding the Fourth Proportional to 89,762.40, 134,643.60 and 37,157.76

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Solution

The fourth proportional to 89,762.40, 134,643.60 and 37,157.76 is: 55,736.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,762.40 : 134,643.60 = 37,157.76 : x
  2. Step 2: Convert to fraction form
    89,762.40/134,643.60 = 37,157.76/x
  3. Step 3: Cross multiply
    89,762.40x = 134,643.60 × 37,157.76
  4. Step 4: Simplify right side
    89,762.40x = 5,003,054,574.34
  5. Step 5: Solve for x
    x = 5,003,054,574.34/89,762.40
  6. Step 6: Final answer
    x = 55,736.64

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Similar ratio
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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.