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Finding the Fourth Proportional to 127,967.37, 176,598.74 and 71,377.53

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Solution

The fourth proportional to 127,967.37, 176,598.74 and 71,377.53 is: 98,503.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,967.37 : 176,598.74 = 71,377.53 : x
  2. Step 2: Convert to fraction form
    127,967.37/176,598.74 = 71,377.53/x
  3. Step 3: Cross multiply
    127,967.37x = 176,598.74 × 71,377.53
  4. Step 4: Simplify right side
    127,967.37x = 12,605,181,505.42
  5. Step 5: Solve for x
    x = 12,605,181,505.42/127,967.37
  6. Step 6: Final answer
    x = 98,503.09

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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.