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Finding the Fourth Proportional to 101,068.85, 141,703.75 and 101,068.85

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Solution

The fourth proportional to 101,068.85, 141,703.75 and 101,068.85 is: 141,703.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,068.85 : 141,703.75 = 101,068.85 : x
  2. Step 2: Convert to fraction form
    101,068.85/141,703.75 = 101,068.85/x
  3. Step 3: Cross multiply
    101,068.85x = 141,703.75 × 101,068.85
  4. Step 4: Simplify right side
    101,068.85x = 14,321,835,053.19
  5. Step 5: Solve for x
    x = 14,321,835,053.19/101,068.85
  6. Step 6: Final answer
    x = 141,703.75

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.