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Finding the Fourth Proportional to 157,485.60, 236,077.20 and 52,250.40

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Solution

The fourth proportional to 157,485.60, 236,077.20 and 52,250.40 is: 78,325.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,485.60 : 236,077.20 = 52,250.40 : x
  2. Step 2: Convert to fraction form
    157,485.60/236,077.20 = 52,250.40/x
  3. Step 3: Cross multiply
    157,485.60x = 236,077.20 × 52,250.40
  4. Step 4: Simplify right side
    157,485.60x = 12,335,128,130.88
  5. Step 5: Solve for x
    x = 12,335,128,130.88/157,485.60
  6. Step 6: Final answer
    x = 78,325.44

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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.