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Finding the Fourth Proportional to 170,293.64, 234,969.28 and 98,669.32

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Solution

The fourth proportional to 170,293.64, 234,969.28 and 98,669.32 is: 136,142.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,293.64 : 234,969.28 = 98,669.32 : x
  2. Step 2: Convert to fraction form
    170,293.64/234,969.28 = 98,669.32/x
  3. Step 3: Cross multiply
    170,293.64x = 234,969.28 × 98,669.32
  4. Step 4: Simplify right side
    170,293.64x = 23,184,259,078.49
  5. Step 5: Solve for x
    x = 23,184,259,078.49/170,293.64
  6. Step 6: Final answer
    x = 136,142.84

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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.