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Finding the Fourth Proportional to 160,656.79, 240,731.72 and 59,315.48

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Solution

The fourth proportional to 160,656.79, 240,731.72 and 59,315.48 is: 88,879.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,656.79 : 240,731.72 = 59,315.48 : x
  2. Step 2: Convert to fraction form
    160,656.79/240,731.72 = 59,315.48/x
  3. Step 3: Cross multiply
    160,656.79x = 240,731.72 × 59,315.48
  4. Step 4: Simplify right side
    160,656.79x = 14,279,117,828.28
  5. Step 5: Solve for x
    x = 14,279,117,828.28/160,656.79
  6. Step 6: Final answer
    x = 88,879.64

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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.