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Finding the Fourth Proportional to 312,522.96, 468,595.44 and 122,756.16

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Solution

The fourth proportional to 312,522.96, 468,595.44 and 122,756.16 is: 184,060.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,522.96 : 468,595.44 = 122,756.16 : x
  2. Step 2: Convert to fraction form
    312,522.96/468,595.44 = 122,756.16/x
  3. Step 3: Cross multiply
    312,522.96x = 468,595.44 × 122,756.16
  4. Step 4: Simplify right side
    312,522.96x = 57,522,976,807.91
  5. Step 5: Solve for x
    x = 57,522,976,807.91/312,522.96
  6. Step 6: Final answer
    x = 184,060.00

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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.