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Finding the Fourth Proportional to 127,953.75, 176,574.95 and 70,593.54

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Solution

The fourth proportional to 127,953.75, 176,574.95 and 70,593.54 is: 97,418.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,953.75 : 176,574.95 = 70,593.54 : x
  2. Step 2: Convert to fraction form
    127,953.75/176,574.95 = 70,593.54/x
  3. Step 3: Cross multiply
    127,953.75x = 176,574.95 × 70,593.54
  4. Step 4: Simplify right side
    127,953.75x = 12,465,050,795.82
  5. Step 5: Solve for x
    x = 12,465,050,795.82/127,953.75
  6. Step 6: Final answer
    x = 97,418.41

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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.