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Finding the Fourth Proportional to 116,772.44, 174,518.80 and 85,248.88

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Solution

The fourth proportional to 116,772.44, 174,518.80 and 85,248.88 is: 127,406.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,772.44 : 174,518.80 = 85,248.88 : x
  2. Step 2: Convert to fraction form
    116,772.44/174,518.80 = 85,248.88/x
  3. Step 3: Cross multiply
    116,772.44x = 174,518.80 × 85,248.88
  4. Step 4: Simplify right side
    116,772.44x = 14,877,532,238.94
  5. Step 5: Solve for x
    x = 14,877,532,238.94/116,772.44
  6. Step 6: Final answer
    x = 127,406.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.