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Finding the Fourth Proportional to 356,734.19, 535,111.02 and 104,008.58

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Solution

The fourth proportional to 356,734.19, 535,111.02 and 104,008.58 is: 156,015.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,734.19 : 535,111.02 = 104,008.58 : x
  2. Step 2: Convert to fraction form
    356,734.19/535,111.02 = 104,008.58/x
  3. Step 3: Cross multiply
    356,734.19x = 535,111.02 × 104,008.58
  4. Step 4: Simplify right side
    356,734.19x = 55,656,134,657.00
  5. Step 5: Solve for x
    x = 55,656,134,657.00/356,734.19
  6. Step 6: Final answer
    x = 156,015.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.