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Finding the Fourth Proportional to 155,551.84, 233,376.20 and 55,712.90

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Solution

The fourth proportional to 155,551.84, 233,376.20 and 55,712.90 is: 83,586.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,551.84 : 233,376.20 = 55,712.90 : x
  2. Step 2: Convert to fraction form
    155,551.84/233,376.20 = 55,712.90/x
  3. Step 3: Cross multiply
    155,551.84x = 233,376.20 × 55,712.90
  4. Step 4: Simplify right side
    155,551.84x = 13,002,064,239.90
  5. Step 5: Solve for x
    x = 13,002,064,239.90/155,551.84
  6. Step 6: Final answer
    x = 83,586.70

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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.