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Finding the Fourth Proportional to 229,565.25, 316,741.21 and 134,017.04

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Solution

The fourth proportional to 229,565.25, 316,741.21 and 134,017.04 is: 184,909.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,565.25 : 316,741.21 = 134,017.04 : x
  2. Step 2: Convert to fraction form
    229,565.25/316,741.21 = 134,017.04/x
  3. Step 3: Cross multiply
    229,565.25x = 316,741.21 × 134,017.04
  4. Step 4: Simplify right side
    229,565.25x = 42,448,719,410.22
  5. Step 5: Solve for x
    x = 42,448,719,410.22/229,565.25
  6. Step 6: Final answer
    x = 184,909.17

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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.