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Finding the Fourth Proportional to 124,533.64, 171,856.98 and 67,946.20

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Solution

The fourth proportional to 124,533.64, 171,856.98 and 67,946.20 is: 93,766.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,533.64 : 171,856.98 = 67,946.20 : x
  2. Step 2: Convert to fraction form
    124,533.64/171,856.98 = 67,946.20/x
  3. Step 3: Cross multiply
    124,533.64x = 171,856.98 × 67,946.20
  4. Step 4: Simplify right side
    124,533.64x = 11,677,028,734.48
  5. Step 5: Solve for x
    x = 11,677,028,734.48/124,533.64
  6. Step 6: Final answer
    x = 93,766.06

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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.