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Finding the Fourth Proportional to 124,710.70, 172,100.75 and 67,350.01

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Solution

The fourth proportional to 124,710.70, 172,100.75 and 67,350.01 is: 92,943.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,710.70 : 172,100.75 = 67,350.01 : x
  2. Step 2: Convert to fraction form
    124,710.70/172,100.75 = 67,350.01/x
  3. Step 3: Cross multiply
    124,710.70x = 172,100.75 × 67,350.01
  4. Step 4: Simplify right side
    124,710.70x = 11,590,987,233.51
  5. Step 5: Solve for x
    x = 11,590,987,233.51/124,710.70
  6. Step 6: Final answer
    x = 92,943.01

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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.