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Finding the Fourth Proportional to 159,011.66, 238,528.53 and 53,795.06

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Solution

The fourth proportional to 159,011.66, 238,528.53 and 53,795.06 is: 80,696.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,011.66 : 238,528.53 = 53,795.06 : x
  2. Step 2: Convert to fraction form
    159,011.66/238,528.53 = 53,795.06/x
  3. Step 3: Cross multiply
    159,011.66x = 238,528.53 × 53,795.06
  4. Step 4: Simplify right side
    159,011.66x = 12,831,656,583.06
  5. Step 5: Solve for x
    x = 12,831,656,583.06/159,011.66
  6. Step 6: Final answer
    x = 80,696.32

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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.