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Finding the Fourth Proportional to 170,877.60, 256,024.80 and 141,134.40

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Solution

The fourth proportional to 170,877.60, 256,024.80 and 141,134.40 is: 211,460.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,877.60 : 256,024.80 = 141,134.40 : x
  2. Step 2: Convert to fraction form
    170,877.60/256,024.80 = 141,134.40/x
  3. Step 3: Cross multiply
    170,877.60x = 256,024.80 × 141,134.40
  4. Step 4: Simplify right side
    170,877.60x = 36,133,906,533.12
  5. Step 5: Solve for x
    x = 36,133,906,533.12/170,877.60
  6. Step 6: Final answer
    x = 211,460.76

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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.