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Finding the Fourth Proportional to 113,503.60, 170,255.40 and 101,256.40

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Solution

The fourth proportional to 113,503.60, 170,255.40 and 101,256.40 is: 151,884.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,503.60 : 170,255.40 = 101,256.40 : x
  2. Step 2: Convert to fraction form
    113,503.60/170,255.40 = 101,256.40/x
  3. Step 3: Cross multiply
    113,503.60x = 170,255.40 × 101,256.40
  4. Step 4: Simplify right side
    113,503.60x = 17,239,448,884.56
  5. Step 5: Solve for x
    x = 17,239,448,884.56/113,503.60
  6. Step 6: Final answer
    x = 151,884.60

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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.