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Finding the Fourth Proportional to 373,113.86, 559,670.78 and 92,631.12

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Solution

The fourth proportional to 373,113.86, 559,670.78 and 92,631.12 is: 138,946.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,113.86 : 559,670.78 = 92,631.12 : x
  2. Step 2: Convert to fraction form
    373,113.86/559,670.78 = 92,631.12/x
  3. Step 3: Cross multiply
    373,113.86x = 559,670.78 × 92,631.12
  4. Step 4: Simplify right side
    373,113.86x = 51,842,931,182.67
  5. Step 5: Solve for x
    x = 51,842,931,182.67/373,113.86
  6. Step 6: Final answer
    x = 138,946.68

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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.