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Finding the Fourth Proportional to 108,877.87, 150,258.87 and 60,485.32

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Solution

The fourth proportional to 108,877.87, 150,258.87 and 60,485.32 is: 83,473.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,877.87 : 150,258.87 = 60,485.32 : x
  2. Step 2: Convert to fraction form
    108,877.87/150,258.87 = 60,485.32/x
  3. Step 3: Cross multiply
    108,877.87x = 150,258.87 × 60,485.32
  4. Step 4: Simplify right side
    108,877.87x = 9,088,455,834.79
  5. Step 5: Solve for x
    x = 9,088,455,834.79/108,877.87
  6. Step 6: Final answer
    x = 83,473.86

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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.