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Finding the Fourth Proportional to 155,847.80, 233,771.70 and 62,420.60

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Solution

The fourth proportional to 155,847.80, 233,771.70 and 62,420.60 is: 93,630.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,847.80 : 233,771.70 = 62,420.60 : x
  2. Step 2: Convert to fraction form
    155,847.80/233,771.70 = 62,420.60/x
  3. Step 3: Cross multiply
    155,847.80x = 233,771.70 × 62,420.60
  4. Step 4: Simplify right side
    155,847.80x = 14,592,169,777.02
  5. Step 5: Solve for x
    x = 14,592,169,777.02/155,847.80
  6. Step 6: Final answer
    x = 93,630.90

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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.