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Finding the Fourth Proportional to 145,441.67, 218,108.52 and 50,647.53

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Solution

The fourth proportional to 145,441.67, 218,108.52 and 50,647.53 is: 75,952.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,441.67 : 218,108.52 = 50,647.53 : x
  2. Step 2: Convert to fraction form
    145,441.67/218,108.52 = 50,647.53/x
  3. Step 3: Cross multiply
    145,441.67x = 218,108.52 × 50,647.53
  4. Step 4: Simplify right side
    145,441.67x = 11,046,657,809.96
  5. Step 5: Solve for x
    x = 11,046,657,809.96/145,441.67
  6. Step 6: Final answer
    x = 75,952.50

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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.