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Finding the Fourth Proportional to 167,000.71, 230,485.60 and 105,752.49

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Solution

The fourth proportional to 167,000.71, 230,485.60 and 105,752.49 is: 145,954.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,000.71 : 230,485.60 = 105,752.49 : x
  2. Step 2: Convert to fraction form
    167,000.71/230,485.60 = 105,752.49/x
  3. Step 3: Cross multiply
    167,000.71x = 230,485.60 × 105,752.49
  4. Step 4: Simplify right side
    167,000.71x = 24,374,424,427.95
  5. Step 5: Solve for x
    x = 24,374,424,427.95/167,000.71
  6. Step 6: Final answer
    x = 145,954.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.