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Finding the Fourth Proportional to 161,955.05, 242,932.58 and 83,018.93

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Solution

The fourth proportional to 161,955.05, 242,932.58 and 83,018.93 is: 124,528.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,955.05 : 242,932.58 = 83,018.93 : x
  2. Step 2: Convert to fraction form
    161,955.05/242,932.58 = 83,018.93/x
  3. Step 3: Cross multiply
    161,955.05x = 242,932.58 × 83,018.93
  4. Step 4: Simplify right side
    161,955.05x = 20,168,003,668.62
  5. Step 5: Solve for x
    x = 20,168,003,668.62/161,955.05
  6. Step 6: Final answer
    x = 124,528.40

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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.