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Finding the Fourth Proportional to 207,100.83, 310,153.01 and 118,084.46

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Solution

The fourth proportional to 207,100.83, 310,153.01 and 118,084.46 is: 176,842.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,100.83 : 310,153.01 = 118,084.46 : x
  2. Step 2: Convert to fraction form
    207,100.83/310,153.01 = 118,084.46/x
  3. Step 3: Cross multiply
    207,100.83x = 310,153.01 × 118,084.46
  4. Step 4: Simplify right side
    207,100.83x = 36,624,248,562.04
  5. Step 5: Solve for x
    x = 36,624,248,562.04/207,100.83
  6. Step 6: Final answer
    x = 176,842.60

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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.