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Finding the Fourth Proportional to 230,875.30, 345,984.90 and 160,672.60

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Solution

The fourth proportional to 230,875.30, 345,984.90 and 160,672.60 is: 240,780.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,875.30 : 345,984.90 = 160,672.60 : x
  2. Step 2: Convert to fraction form
    230,875.30/345,984.90 = 160,672.60/x
  3. Step 3: Cross multiply
    230,875.30x = 345,984.90 × 160,672.60
  4. Step 4: Simplify right side
    230,875.30x = 55,590,293,443.74
  5. Step 5: Solve for x
    x = 55,590,293,443.74/230,875.30
  6. Step 6: Final answer
    x = 240,780.60

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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.