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Finding the Fourth Proportional to 127,051.70, 175,308.14 and 73,317.10

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Solution

The fourth proportional to 127,051.70, 175,308.14 and 73,317.10 is: 101,164.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,051.70 : 175,308.14 = 73,317.10 : x
  2. Step 2: Convert to fraction form
    127,051.70/175,308.14 = 73,317.10/x
  3. Step 3: Cross multiply
    127,051.70x = 175,308.14 × 73,317.10
  4. Step 4: Simplify right side
    127,051.70x = 12,853,084,431.19
  5. Step 5: Solve for x
    x = 12,853,084,431.19/127,051.70
  6. Step 6: Final answer
    x = 101,164.21

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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.