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Finding the Fourth Proportional to 142,544.40, 213,816.60 and 59,427.60

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Solution

The fourth proportional to 142,544.40, 213,816.60 and 59,427.60 is: 89,141.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,544.40 : 213,816.60 = 59,427.60 : x
  2. Step 2: Convert to fraction form
    142,544.40/213,816.60 = 59,427.60/x
  3. Step 3: Cross multiply
    142,544.40x = 213,816.60 × 59,427.60
  4. Step 4: Simplify right side
    142,544.40x = 12,706,607,378.16
  5. Step 5: Solve for x
    x = 12,706,607,378.16/142,544.40
  6. Step 6: Final answer
    x = 89,141.40

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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.