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Finding the Fourth Proportional to 161,713.70, 242,570.55 and 144,800.90

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Solution

The fourth proportional to 161,713.70, 242,570.55 and 144,800.90 is: 217,201.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,713.70 : 242,570.55 = 144,800.90 : x
  2. Step 2: Convert to fraction form
    161,713.70/242,570.55 = 144,800.90/x
  3. Step 3: Cross multiply
    161,713.70x = 242,570.55 × 144,800.90
  4. Step 4: Simplify right side
    161,713.70x = 35,124,433,953.50
  5. Step 5: Solve for x
    x = 35,124,433,953.50/161,713.70
  6. Step 6: Final answer
    x = 217,201.35

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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.