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Finding the Fourth Proportional to 149,089.60, 223,569.60 and 43,886.80

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Solution

The fourth proportional to 149,089.60, 223,569.60 and 43,886.80 is: 65,811.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,089.60 : 223,569.60 = 43,886.80 : x
  2. Step 2: Convert to fraction form
    149,089.60/223,569.60 = 43,886.80/x
  3. Step 3: Cross multiply
    149,089.60x = 223,569.60 × 43,886.80
  4. Step 4: Simplify right side
    149,089.60x = 9,811,754,321.28
  5. Step 5: Solve for x
    x = 9,811,754,321.28/149,089.60
  6. Step 6: Final answer
    x = 65,811.13

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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.