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Finding the Fourth Proportional to 167,311.04, 230,873.88 and 99,316.40

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Solution

The fourth proportional to 167,311.04, 230,873.88 and 99,316.40 is: 137,047.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,311.04 : 230,873.88 = 99,316.40 : x
  2. Step 2: Convert to fraction form
    167,311.04/230,873.88 = 99,316.40/x
  3. Step 3: Cross multiply
    167,311.04x = 230,873.88 × 99,316.40
  4. Step 4: Simplify right side
    167,311.04x = 22,929,562,615.63
  5. Step 5: Solve for x
    x = 22,929,562,615.63/167,311.04
  6. Step 6: Final answer
    x = 137,047.52

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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.