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Finding the Fourth Proportional to 230,564.13, 345,897.29 and 70,662.16

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Solution

The fourth proportional to 230,564.13, 345,897.29 and 70,662.16 is: 106,008.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,564.13 : 345,897.29 = 70,662.16 : x
  2. Step 2: Convert to fraction form
    230,564.13/345,897.29 = 70,662.16/x
  3. Step 3: Cross multiply
    230,564.13x = 345,897.29 × 70,662.16
  4. Step 4: Simplify right side
    230,564.13x = 24,441,849,649.55
  5. Step 5: Solve for x
    x = 24,441,849,649.55/230,564.13
  6. Step 6: Final answer
    x = 106,008.90

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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.