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Finding the Fourth Proportional to 116,034.80, 173,857.80 and 99,316.40

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Solution

The fourth proportional to 116,034.80, 173,857.80 and 99,316.40 is: 148,808.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,034.80 : 173,857.80 = 99,316.40 : x
  2. Step 2: Convert to fraction form
    116,034.80/173,857.80 = 99,316.40/x
  3. Step 3: Cross multiply
    116,034.80x = 173,857.80 × 99,316.40
  4. Step 4: Simplify right side
    116,034.80x = 17,266,930,807.92
  5. Step 5: Solve for x
    x = 17,266,930,807.92/116,034.80
  6. Step 6: Final answer
    x = 148,808.21

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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.