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Finding the Fourth Proportional to 116,573.60, 174,860.40 and 91,204.40

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Solution

The fourth proportional to 116,573.60, 174,860.40 and 91,204.40 is: 136,806.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,573.60 : 174,860.40 = 91,204.40 : x
  2. Step 2: Convert to fraction form
    116,573.60/174,860.40 = 91,204.40/x
  3. Step 3: Cross multiply
    116,573.60x = 174,860.40 × 91,204.40
  4. Step 4: Simplify right side
    116,573.60x = 15,948,037,865.76
  5. Step 5: Solve for x
    x = 15,948,037,865.76/116,573.60
  6. Step 6: Final answer
    x = 136,806.60

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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.