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Finding the Fourth Proportional to 161,953.62, 242,930.43 and 83,017.50

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Solution

The fourth proportional to 161,953.62, 242,930.43 and 83,017.50 is: 124,526.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,953.62 : 242,930.43 = 83,017.50 : x
  2. Step 2: Convert to fraction form
    161,953.62/242,930.43 = 83,017.50/x
  3. Step 3: Cross multiply
    161,953.62x = 242,930.43 × 83,017.50
  4. Step 4: Simplify right side
    161,953.62x = 20,167,475,342.79
  5. Step 5: Solve for x
    x = 20,167,475,342.79/161,953.62
  6. Step 6: Final answer
    x = 124,526.24

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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.