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Finding the Fourth Proportional to 173,856.30, 260,784.45 and 55,539.60

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Solution

The fourth proportional to 173,856.30, 260,784.45 and 55,539.60 is: 83,309.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,856.30 : 260,784.45 = 55,539.60 : x
  2. Step 2: Convert to fraction form
    173,856.30/260,784.45 = 55,539.60/x
  3. Step 3: Cross multiply
    173,856.30x = 260,784.45 × 55,539.60
  4. Step 4: Simplify right side
    173,856.30x = 14,483,864,039.22
  5. Step 5: Solve for x
    x = 14,483,864,039.22/173,856.30
  6. Step 6: Final answer
    x = 83,309.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.