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Finding the Fourth Proportional to 152,955.60, 211,255.32 and 101,884.20

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Solution

The fourth proportional to 152,955.60, 211,255.32 and 101,884.20 is: 140,717.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,955.60 : 211,255.32 = 101,884.20 : x
  2. Step 2: Convert to fraction form
    152,955.60/211,255.32 = 101,884.20/x
  3. Step 3: Cross multiply
    152,955.60x = 211,255.32 × 101,884.20
  4. Step 4: Simplify right side
    152,955.60x = 21,523,579,273.94
  5. Step 5: Solve for x
    x = 21,523,579,273.94/152,955.60
  6. Step 6: Final answer
    x = 140,717.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.