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Finding the Fourth Proportional to 127,892.59, 176,493.09 and 70,533.97

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Solution

The fourth proportional to 127,892.59, 176,493.09 and 70,533.97 is: 97,337.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,892.59 : 176,493.09 = 70,533.97 : x
  2. Step 2: Convert to fraction form
    127,892.59/176,493.09 = 70,533.97/x
  3. Step 3: Cross multiply
    127,892.59x = 176,493.09 × 70,533.97
  4. Step 4: Simplify right side
    127,892.59x = 12,448,758,315.27
  5. Step 5: Solve for x
    x = 12,448,758,315.27/127,892.59
  6. Step 6: Final answer
    x = 97,337.60

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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.