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Finding the Fourth Proportional to 133,875.66, 200,706.92 and 66,360.18

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Solution

The fourth proportional to 133,875.66, 200,706.92 and 66,360.18 is: 99,487.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,875.66 : 200,706.92 = 66,360.18 : x
  2. Step 2: Convert to fraction form
    133,875.66/200,706.92 = 66,360.18/x
  3. Step 3: Cross multiply
    133,875.66x = 200,706.92 × 66,360.18
  4. Step 4: Simplify right side
    133,875.66x = 13,318,947,338.45
  5. Step 5: Solve for x
    x = 13,318,947,338.45/133,875.66
  6. Step 6: Final answer
    x = 99,487.44

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1.5x scale

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.