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Finding the Fourth Proportional to 355,298.13, 533,051.01 and 118,806.84

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Solution

The fourth proportional to 355,298.13, 533,051.01 and 118,806.84 is: 178,244.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,298.13 : 533,051.01 = 118,806.84 : x
  2. Step 2: Convert to fraction form
    355,298.13/533,051.01 = 118,806.84/x
  3. Step 3: Cross multiply
    355,298.13x = 533,051.01 × 118,806.84
  4. Step 4: Simplify right side
    355,298.13x = 63,330,106,056.91
  5. Step 5: Solve for x
    x = 63,330,106,056.91/355,298.13
  6. Step 6: Final answer
    x = 178,244.97

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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.