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Finding the Fourth Proportional to 60,467.10, 90,700.65 and 43,748.70

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Solution

The fourth proportional to 60,467.10, 90,700.65 and 43,748.70 is: 65,623.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,467.10 : 90,700.65 = 43,748.70 : x
  2. Step 2: Convert to fraction form
    60,467.10/90,700.65 = 43,748.70/x
  3. Step 3: Cross multiply
    60,467.10x = 90,700.65 × 43,748.70
  4. Step 4: Simplify right side
    60,467.10x = 3,968,035,526.66
  5. Step 5: Solve for x
    x = 3,968,035,526.66/60,467.10
  6. Step 6: Final answer
    x = 65,623.05

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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.