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Finding the Fourth Proportional to 124,365.84, 171,624.56 and 67,777.12

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Solution

The fourth proportional to 124,365.84, 171,624.56 and 67,777.12 is: 93,532.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,365.84 : 171,624.56 = 67,777.12 : x
  2. Step 2: Convert to fraction form
    124,365.84/171,624.56 = 67,777.12/x
  3. Step 3: Cross multiply
    124,365.84x = 171,624.56 × 67,777.12
  4. Step 4: Simplify right side
    124,365.84x = 11,632,218,398.07
  5. Step 5: Solve for x
    x = 11,632,218,398.07/124,365.84
  6. Step 6: Final answer
    x = 93,532.26

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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.