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Finding the Fourth Proportional to 75,000.50, 103,500.45 and 44,803.50

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Solution

The fourth proportional to 75,000.50, 103,500.45 and 44,803.50 is: 61,828.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,000.50 : 103,500.45 = 44,803.50 : x
  2. Step 2: Convert to fraction form
    75,000.50/103,500.45 = 44,803.50/x
  3. Step 3: Cross multiply
    75,000.50x = 103,500.45 × 44,803.50
  4. Step 4: Simplify right side
    75,000.50x = 4,637,182,023.45
  5. Step 5: Solve for x
    x = 4,637,182,023.45/75,000.50
  6. Step 6: Final answer
    x = 61,828.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.