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Finding the Fourth Proportional to 155,732.88, 233,488.61 and 74,586.98

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Solution

The fourth proportional to 155,732.88, 233,488.61 and 74,586.98 is: 111,827.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,732.88 : 233,488.61 = 74,586.98 : x
  2. Step 2: Convert to fraction form
    155,732.88/233,488.61 = 74,586.98/x
  3. Step 3: Cross multiply
    155,732.88x = 233,488.61 × 74,586.98
  4. Step 4: Simplify right side
    155,732.88x = 17,415,210,774.79
  5. Step 5: Solve for x
    x = 17,415,210,774.79/155,732.88
  6. Step 6: Final answer
    x = 111,827.45

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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.