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Finding the Fourth Proportional to 100,458.40, 150,802.80 and 58,928.80

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Solution

The fourth proportional to 100,458.40, 150,802.80 and 58,928.80 is: 88,460.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,458.40 : 150,802.80 = 58,928.80 : x
  2. Step 2: Convert to fraction form
    100,458.40/150,802.80 = 58,928.80/x
  3. Step 3: Cross multiply
    100,458.40x = 150,802.80 × 58,928.80
  4. Step 4: Simplify right side
    100,458.40x = 8,886,628,040.64
  5. Step 5: Solve for x
    x = 8,886,628,040.64/100,458.40
  6. Step 6: Final answer
    x = 88,460.78

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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.