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Finding the Fourth Proportional to 224,290.64, 336,378.56 and 66,482.20

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Solution

The fourth proportional to 224,290.64, 336,378.56 and 66,482.20 is: 99,706.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,290.64 : 336,378.56 = 66,482.20 : x
  2. Step 2: Convert to fraction form
    224,290.64/336,378.56 = 66,482.20/x
  3. Step 3: Cross multiply
    224,290.64x = 336,378.56 × 66,482.20
  4. Step 4: Simplify right side
    224,290.64x = 22,363,186,701.63
  5. Step 5: Solve for x
    x = 22,363,186,701.63/224,290.64
  6. Step 6: Final answer
    x = 99,706.29

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.