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Finding the Fourth Proportional to 124,118.46, 171,284.22 and 67,530.24

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Solution

The fourth proportional to 124,118.46, 171,284.22 and 67,530.24 is: 93,192.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,118.46 : 171,284.22 = 67,530.24 : x
  2. Step 2: Convert to fraction form
    124,118.46/171,284.22 = 67,530.24/x
  3. Step 3: Cross multiply
    124,118.46x = 171,284.22 × 67,530.24
  4. Step 4: Simplify right side
    124,118.46x = 11,566,864,484.81
  5. Step 5: Solve for x
    x = 11,566,864,484.81/124,118.46
  6. Step 6: Final answer
    x = 93,192.14

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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.