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Finding the Fourth Proportional to 108,703.60, 163,055.40 and 61,464.40

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Solution

The fourth proportional to 108,703.60, 163,055.40 and 61,464.40 is: 92,196.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,703.60 : 163,055.40 = 61,464.40 : x
  2. Step 2: Convert to fraction form
    108,703.60/163,055.40 = 61,464.40/x
  3. Step 3: Cross multiply
    108,703.60x = 163,055.40 × 61,464.40
  4. Step 4: Simplify right side
    108,703.60x = 10,022,102,327.76
  5. Step 5: Solve for x
    x = 10,022,102,327.76/108,703.60
  6. Step 6: Final answer
    x = 92,196.60

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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.