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Finding the Fourth Proportional to 123,605.14, 184,900.10 and 98,693.84

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Solution

The fourth proportional to 123,605.14, 184,900.10 and 98,693.84 is: 147,635.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,605.14 : 184,900.10 = 98,693.84 : x
  2. Step 2: Convert to fraction form
    123,605.14/184,900.10 = 98,693.84/x
  3. Step 3: Cross multiply
    123,605.14x = 184,900.10 × 98,693.84
  4. Step 4: Simplify right side
    123,605.14x = 18,248,500,885.38
  5. Step 5: Solve for x
    x = 18,248,500,885.38/123,605.14
  6. Step 6: Final answer
    x = 147,635.45

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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.