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Finding the Fourth Proportional to 127,497.32, 175,943.04 and 70,133.66

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Solution

The fourth proportional to 127,497.32, 175,943.04 and 70,133.66 is: 96,782.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,497.32 : 175,943.04 = 70,133.66 : x
  2. Step 2: Convert to fraction form
    127,497.32/175,943.04 = 70,133.66/x
  3. Step 3: Cross multiply
    127,497.32x = 175,943.04 × 70,133.66
  4. Step 4: Simplify right side
    127,497.32x = 12,339,529,346.73
  5. Step 5: Solve for x
    x = 12,339,529,346.73/127,497.32
  6. Step 6: Final answer
    x = 96,782.66

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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.