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Finding the Fourth Proportional to 109,737.60, 164,606.40 and 43,155.60

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Solution

The fourth proportional to 109,737.60, 164,606.40 and 43,155.60 is: 64,733.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,737.60 : 164,606.40 = 43,155.60 : x
  2. Step 2: Convert to fraction form
    109,737.60/164,606.40 = 43,155.60/x
  3. Step 3: Cross multiply
    109,737.60x = 164,606.40 × 43,155.60
  4. Step 4: Simplify right side
    109,737.60x = 7,103,687,955.84
  5. Step 5: Solve for x
    x = 7,103,687,955.84/109,737.60
  6. Step 6: Final answer
    x = 64,733.40

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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.