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Finding the Fourth Proportional to 224,547.60, 336,748.50 and 74,747.66

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Solution

The fourth proportional to 224,547.60, 336,748.50 and 74,747.66 is: 112,097.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,547.60 : 336,748.50 = 74,747.66 : x
  2. Step 2: Convert to fraction form
    224,547.60/336,748.50 = 74,747.66/x
  3. Step 3: Cross multiply
    224,547.60x = 336,748.50 × 74,747.66
  4. Step 4: Simplify right side
    224,547.60x = 25,171,162,383.51
  5. Step 5: Solve for x
    x = 25,171,162,383.51/224,547.60
  6. Step 6: Final answer
    x = 112,097.22

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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.