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Finding the Fourth Proportional to 160,988.64, 241,482.96 and 61,148.61

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Solution

The fourth proportional to 160,988.64, 241,482.96 and 61,148.61 is: 91,722.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,988.64 : 241,482.96 = 61,148.61 : x
  2. Step 2: Convert to fraction form
    160,988.64/241,482.96 = 61,148.61/x
  3. Step 3: Cross multiply
    160,988.64x = 241,482.96 × 61,148.61
  4. Step 4: Simplify right side
    160,988.64x = 14,766,347,342.69
  5. Step 5: Solve for x
    x = 14,766,347,342.69/160,988.64
  6. Step 6: Final answer
    x = 91,722.92

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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.