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Finding the Fourth Proportional to 254,354.03, 351,009.93 and 158,916.09

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Solution

The fourth proportional to 254,354.03, 351,009.93 and 158,916.09 is: 219,305.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,354.03 : 351,009.93 = 158,916.09 : x
  2. Step 2: Convert to fraction form
    254,354.03/351,009.93 = 158,916.09/x
  3. Step 3: Cross multiply
    254,354.03x = 351,009.93 × 158,916.09
  4. Step 4: Simplify right side
    254,354.03x = 55,781,125,626.77
  5. Step 5: Solve for x
    x = 55,781,125,626.77/254,354.03
  6. Step 6: Final answer
    x = 219,305.06

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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.