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Finding the Fourth Proportional to 230,478.48, 345,715.12 and 59,699.44

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Solution

The fourth proportional to 230,478.48, 345,715.12 and 59,699.44 is: 89,548.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,478.48 : 345,715.12 = 59,699.44 : x
  2. Step 2: Convert to fraction form
    230,478.48/345,715.12 = 59,699.44/x
  3. Step 3: Cross multiply
    230,478.48x = 345,715.12 × 59,699.44
  4. Step 4: Simplify right side
    230,478.48x = 20,638,999,063.53
  5. Step 5: Solve for x
    x = 20,638,999,063.53/230,478.48
  6. Step 6: Final answer
    x = 89,548.49

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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.