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Finding the Fourth Proportional to 127,607.66, 176,094.88 and 71,017.82

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Solution

The fourth proportional to 127,607.66, 176,094.88 and 71,017.82 is: 98,002.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,607.66 : 176,094.88 = 71,017.82 : x
  2. Step 2: Convert to fraction form
    127,607.66/176,094.88 = 71,017.82/x
  3. Step 3: Cross multiply
    127,607.66x = 176,094.88 × 71,017.82
  4. Step 4: Simplify right side
    127,607.66x = 12,505,874,490.76
  5. Step 5: Solve for x
    x = 12,505,874,490.76/127,607.66
  6. Step 6: Final answer
    x = 98,002.54

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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.