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Finding the Fourth Proportional to 229,440.82, 316,539.84 and 169,154.77

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Solution

The fourth proportional to 229,440.82, 316,539.84 and 169,154.77 is: 233,368.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,440.82 : 316,539.84 = 169,154.77 : x
  2. Step 2: Convert to fraction form
    229,440.82/316,539.84 = 169,154.77/x
  3. Step 3: Cross multiply
    229,440.82x = 316,539.84 × 169,154.77
  4. Step 4: Simplify right side
    229,440.82x = 53,544,223,831.04
  5. Step 5: Solve for x
    x = 53,544,223,831.04/229,440.82
  6. Step 6: Final answer
    x = 233,368.34

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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.