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Finding the Fourth Proportional to 185,915.65, 278,880.08 and 59,539.48

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Solution

The fourth proportional to 185,915.65, 278,880.08 and 59,539.48 is: 89,311.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,915.65 : 278,880.08 = 59,539.48 : x
  2. Step 2: Convert to fraction form
    185,915.65/278,880.08 = 59,539.48/x
  3. Step 3: Cross multiply
    185,915.65x = 278,880.08 × 59,539.48
  4. Step 4: Simplify right side
    185,915.65x = 16,604,374,945.56
  5. Step 5: Solve for x
    x = 16,604,374,945.56/185,915.65
  6. Step 6: Final answer
    x = 89,311.34

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1.5x scale

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.