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Finding the Fourth Proportional to 265,765.53, 366,787.56 and 151,061.42

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Solution

The fourth proportional to 265,765.53, 366,787.56 and 151,061.42 is: 208,482.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,765.53 : 366,787.56 = 151,061.42 : x
  2. Step 2: Convert to fraction form
    265,765.53/366,787.56 = 151,061.42/x
  3. Step 3: Cross multiply
    265,765.53x = 366,787.56 × 151,061.42
  4. Step 4: Simplify right side
    265,765.53x = 55,407,447,818.00
  5. Step 5: Solve for x
    x = 55,407,447,818.00/265,765.53
  6. Step 6: Final answer
    x = 208,482.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.