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Finding the Fourth Proportional to 243,910.84, 336,141 and 175,810.08

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Solution

The fourth proportional to 243,910.84, 336,141 and 175,810.08 is: 242,289.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,910.84 : 336,141 = 175,810.08 : x
  2. Step 2: Convert to fraction form
    243,910.84/336,141 = 175,810.08/x
  3. Step 3: Cross multiply
    243,910.84x = 336,141 × 175,810.08
  4. Step 4: Simplify right side
    243,910.84x = 59,096,976,101.28
  5. Step 5: Solve for x
    x = 59,096,976,101.28/243,910.84
  6. Step 6: Final answer
    x = 242,289.26

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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.