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Finding the Fourth Proportional to 123,345.60, 185,061.60 and 44,462.40

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Solution

The fourth proportional to 123,345.60, 185,061.60 and 44,462.40 is: 66,709.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,345.60 : 185,061.60 = 44,462.40 : x
  2. Step 2: Convert to fraction form
    123,345.60/185,061.60 = 44,462.40/x
  3. Step 3: Cross multiply
    123,345.60x = 185,061.60 × 44,462.40
  4. Step 4: Simplify right side
    123,345.60x = 8,228,282,883.84
  5. Step 5: Solve for x
    x = 8,228,282,883.84/123,345.60
  6. Step 6: Final answer
    x = 66,709.17

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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.