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Finding the Fourth Proportional to 220,580.18, 330,870.32 and 54,368.18

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Solution

The fourth proportional to 220,580.18, 330,870.32 and 54,368.18 is: 81,552.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,580.18 : 330,870.32 = 54,368.18 : x
  2. Step 2: Convert to fraction form
    220,580.18/330,870.32 = 54,368.18/x
  3. Step 3: Cross multiply
    220,580.18x = 330,870.32 × 54,368.18
  4. Step 4: Simplify right side
    220,580.18x = 17,988,817,114.42
  5. Step 5: Solve for x
    x = 17,988,817,114.42/220,580.18
  6. Step 6: Final answer
    x = 81,552.28

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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.