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Finding the Fourth Proportional to 355,300.13, 533,054.01 and 118,808.84

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Solution

The fourth proportional to 355,300.13, 533,054.01 and 118,808.84 is: 178,247.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,300.13 : 533,054.01 = 118,808.84 : x
  2. Step 2: Convert to fraction form
    355,300.13/533,054.01 = 118,808.84/x
  3. Step 3: Cross multiply
    355,300.13x = 533,054.01 × 118,808.84
  4. Step 4: Simplify right side
    355,300.13x = 63,331,528,585.45
  5. Step 5: Solve for x
    x = 63,331,528,585.45/355,300.13
  6. Step 6: Final answer
    x = 178,247.97

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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.