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Finding the Fourth Proportional to 207,101.83, 310,154.50 and 118,085.46

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Solution

The fourth proportional to 207,101.83, 310,154.50 and 118,085.46 is: 176,844.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,101.83 : 310,154.50 = 118,085.46 : x
  2. Step 2: Convert to fraction form
    207,101.83/310,154.50 = 118,085.46/x
  3. Step 3: Cross multiply
    207,101.83x = 310,154.50 × 118,085.46
  4. Step 4: Simplify right side
    207,101.83x = 36,624,736,803.57
  5. Step 5: Solve for x
    x = 36,624,736,803.57/207,101.83
  6. Step 6: Final answer
    x = 176,844.10

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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.