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Finding the Fourth Proportional to 183,402.66, 253,148.58 and 118,869.69

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Solution

The fourth proportional to 183,402.66, 253,148.58 and 118,869.69 is: 164,074.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,402.66 : 253,148.58 = 118,869.69 : x
  2. Step 2: Convert to fraction form
    183,402.66/253,148.58 = 118,869.69/x
  3. Step 3: Cross multiply
    183,402.66x = 253,148.58 × 118,869.69
  4. Step 4: Simplify right side
    183,402.66x = 30,091,693,228.54
  5. Step 5: Solve for x
    x = 30,091,693,228.54/183,402.66
  6. Step 6: Final answer
    x = 164,074.46

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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.