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Finding the Fourth Proportional to 356,700.83, 535,106.58 and 120,025.04

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Solution

The fourth proportional to 356,700.83, 535,106.58 and 120,025.04 is: 180,056.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,700.83 : 535,106.58 = 120,025.04 : x
  2. Step 2: Convert to fraction form
    356,700.83/535,106.58 = 120,025.04/x
  3. Step 3: Cross multiply
    356,700.83x = 535,106.58 × 120,025.04
  4. Step 4: Simplify right side
    356,700.83x = 64,226,185,993.23
  5. Step 5: Solve for x
    x = 64,226,185,993.23/356,700.83
  6. Step 6: Final answer
    x = 180,056.17

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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.