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Finding the Fourth Proportional to 183,813.60, 275,720.40 and 65,618.40

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Solution

The fourth proportional to 183,813.60, 275,720.40 and 65,618.40 is: 98,427.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,813.60 : 275,720.40 = 65,618.40 : x
  2. Step 2: Convert to fraction form
    183,813.60/275,720.40 = 65,618.40/x
  3. Step 3: Cross multiply
    183,813.60x = 275,720.40 × 65,618.40
  4. Step 4: Simplify right side
    183,813.60x = 18,092,331,495.36
  5. Step 5: Solve for x
    x = 18,092,331,495.36/183,813.60
  6. Step 6: Final answer
    x = 98,427.60

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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.