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Finding the Fourth Proportional to 242,800.03, 335,176.87 and 172,994.34

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Solution

The fourth proportional to 242,800.03, 335,176.87 and 172,994.34 is: 238,812.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,800.03 : 335,176.87 = 172,994.34 : x
  2. Step 2: Convert to fraction form
    242,800.03/335,176.87 = 172,994.34/x
  3. Step 3: Cross multiply
    242,800.03x = 335,176.87 × 172,994.34
  4. Step 4: Simplify right side
    242,800.03x = 57,983,699,084.30
  5. Step 5: Solve for x
    x = 57,983,699,084.30/242,800.03
  6. Step 6: Final answer
    x = 238,812.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.