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Finding the Fourth Proportional to 127,611.65, 176,114.25 and 73,897.62

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Solution

The fourth proportional to 127,611.65, 176,114.25 and 73,897.62 is: 101,984.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,611.65 : 176,114.25 = 73,897.62 : x
  2. Step 2: Convert to fraction form
    127,611.65/176,114.25 = 73,897.62/x
  3. Step 3: Cross multiply
    127,611.65x = 176,114.25 × 73,897.62
  4. Step 4: Simplify right side
    127,611.65x = 13,014,423,262.66
  5. Step 5: Solve for x
    x = 13,014,423,262.66/127,611.65
  6. Step 6: Final answer
    x = 101,984.60

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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.