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Finding the Fourth Proportional to 167,210.74, 230,735.55 and 99,216.01

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Solution

The fourth proportional to 167,210.74, 230,735.55 and 99,216.01 is: 136,909.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,210.74 : 230,735.55 = 99,216.01 : x
  2. Step 2: Convert to fraction form
    167,210.74/230,735.55 = 99,216.01/x
  3. Step 3: Cross multiply
    167,210.74x = 230,735.55 × 99,216.01
  4. Step 4: Simplify right side
    167,210.74x = 22,892,660,636.16
  5. Step 5: Solve for x
    x = 22,892,660,636.16/167,210.74
  6. Step 6: Final answer
    x = 136,909.03

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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.