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Finding the Fourth Proportional to 127,597.50, 176,083.11 and 70,235.58

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Solution

The fourth proportional to 127,597.50, 176,083.11 and 70,235.58 is: 96,924.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,597.50 : 176,083.11 = 70,235.58 : x
  2. Step 2: Convert to fraction form
    127,597.50/176,083.11 = 70,235.58/x
  3. Step 3: Cross multiply
    127,597.50x = 176,083.11 × 70,235.58
  4. Step 4: Simplify right side
    127,597.50x = 12,367,299,359.05
  5. Step 5: Solve for x
    x = 12,367,299,359.05/127,597.50
  6. Step 6: Final answer
    x = 96,924.31

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1.5x scale

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.