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Finding the Fourth Proportional to 153,497.96, 211,768.96 and 93,046.56

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Solution

The fourth proportional to 153,497.96, 211,768.96 and 93,046.56 is: 128,368.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,497.96 : 211,768.96 = 93,046.56 : x
  2. Step 2: Convert to fraction form
    153,497.96/211,768.96 = 93,046.56/x
  3. Step 3: Cross multiply
    153,497.96x = 211,768.96 × 93,046.56
  4. Step 4: Simplify right side
    153,497.96x = 19,704,373,242.78
  5. Step 5: Solve for x
    x = 19,704,373,242.78/153,497.96
  6. Step 6: Final answer
    x = 128,368.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.