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Finding the Fourth Proportional to 656,670.53, 985,005.98 and 158,034.53

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Solution

The fourth proportional to 656,670.53, 985,005.98 and 158,034.53 is: 237,051.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,670.53 : 985,005.98 = 158,034.53 : x
  2. Step 2: Convert to fraction form
    656,670.53/985,005.98 = 158,034.53/x
  3. Step 3: Cross multiply
    656,670.53x = 985,005.98 × 158,034.53
  4. Step 4: Simplify right side
    656,670.53x = 155,664,957,096.49
  5. Step 5: Solve for x
    x = 155,664,957,096.49/656,670.53
  6. Step 6: Final answer
    x = 237,051.84

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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.