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Finding the Fourth Proportional to 373,912.88, 560,870.76 and 93,430.40

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Solution

The fourth proportional to 373,912.88, 560,870.76 and 93,430.40 is: 140,145.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,912.88 : 560,870.76 = 93,430.40 : x
  2. Step 2: Convert to fraction form
    373,912.88/560,870.76 = 93,430.40/x
  3. Step 3: Cross multiply
    373,912.88x = 560,870.76 × 93,430.40
  4. Step 4: Simplify right side
    373,912.88x = 52,402,379,455.10
  5. Step 5: Solve for x
    x = 52,402,379,455.10/373,912.88
  6. Step 6: Final answer
    x = 140,145.96

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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.