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Finding the Fourth Proportional to 230,430.40, 345,566.40 and 112,025.44

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Solution

The fourth proportional to 230,430.40, 345,566.40 and 112,025.44 is: 167,999.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,430.40 : 345,566.40 = 112,025.44 : x
  2. Step 2: Convert to fraction form
    230,430.40/345,566.40 = 112,025.44/x
  3. Step 3: Cross multiply
    230,430.40x = 345,566.40 × 112,025.44
  4. Step 4: Simplify right side
    230,430.40x = 38,712,228,009.22
  5. Step 5: Solve for x
    x = 38,712,228,009.22/230,430.40
  6. Step 6: Final answer
    x = 167,999.66

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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.