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Finding the Fourth Proportional to 169,615.12, 234,041.56 and 98,004.64

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Solution

The fourth proportional to 169,615.12, 234,041.56 and 98,004.64 is: 135,230.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,615.12 : 234,041.56 = 98,004.64 : x
  2. Step 2: Convert to fraction form
    169,615.12/234,041.56 = 98,004.64/x
  3. Step 3: Cross multiply
    169,615.12x = 234,041.56 × 98,004.64
  4. Step 4: Simplify right side
    169,615.12x = 22,937,158,832.84
  5. Step 5: Solve for x
    x = 22,937,158,832.84/169,615.12
  6. Step 6: Final answer
    x = 135,230.63

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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.