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Finding the Fourth Proportional to 124,355.36, 171,605.40 and 67,765.52

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Solution

The fourth proportional to 124,355.36, 171,605.40 and 67,765.52 is: 93,513.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,355.36 : 171,605.40 = 67,765.52 : x
  2. Step 2: Convert to fraction form
    124,355.36/171,605.40 = 67,765.52/x
  3. Step 3: Cross multiply
    124,355.36x = 171,605.40 × 67,765.52
  4. Step 4: Simplify right side
    124,355.36x = 11,628,929,165.81
  5. Step 5: Solve for x
    x = 11,628,929,165.81/124,355.36
  6. Step 6: Final answer
    x = 93,513.69

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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.