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Finding the Fourth Proportional to 250,194.80, 375,316.80 and 72,703.34

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Solution

The fourth proportional to 250,194.80, 375,316.80 and 72,703.34 is: 109,062.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,194.80 : 375,316.80 = 72,703.34 : x
  2. Step 2: Convert to fraction form
    250,194.80/375,316.80 = 72,703.34/x
  3. Step 3: Cross multiply
    250,194.80x = 375,316.80 × 72,703.34
  4. Step 4: Simplify right side
    250,194.80x = 27,286,784,918.11
  5. Step 5: Solve for x
    x = 27,286,784,918.11/250,194.80
  6. Step 6: Final answer
    x = 109,062.16

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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.