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Finding the Fourth Proportional to 224,357.16, 336,255.08 and 112,068.72

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Solution

The fourth proportional to 224,357.16, 336,255.08 and 112,068.72 is: 167,962.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,357.16 : 336,255.08 = 112,068.72 : x
  2. Step 2: Convert to fraction form
    224,357.16/336,255.08 = 112,068.72/x
  3. Step 3: Cross multiply
    224,357.16x = 336,255.08 × 112,068.72
  4. Step 4: Simplify right side
    224,357.16x = 37,683,676,409.10
  5. Step 5: Solve for x
    x = 37,683,676,409.10/224,357.16
  6. Step 6: Final answer
    x = 167,962.89

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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.