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Finding the Fourth Proportional to 183,869.64, 253,153.54 and 156,903.93

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Solution

The fourth proportional to 183,869.64, 253,153.54 and 156,903.93 is: 216,026.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,869.64 : 253,153.54 = 156,903.93 : x
  2. Step 2: Convert to fraction form
    183,869.64/253,153.54 = 156,903.93/x
  3. Step 3: Cross multiply
    183,869.64x = 253,153.54 × 156,903.93
  4. Step 4: Simplify right side
    183,869.64x = 39,720,784,053.64
  5. Step 5: Solve for x
    x = 39,720,784,053.64/183,869.64
  6. Step 6: Final answer
    x = 216,026.88

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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.