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Finding the Fourth Proportional to 108,597.60, 163,090.80 and 105,098.40

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Solution

The fourth proportional to 108,597.60, 163,090.80 and 105,098.40 is: 157,835.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,597.60 : 163,090.80 = 105,098.40 : x
  2. Step 2: Convert to fraction form
    108,597.60/163,090.80 = 105,098.40/x
  3. Step 3: Cross multiply
    108,597.60x = 163,090.80 × 105,098.40
  4. Step 4: Simplify right side
    108,597.60x = 17,140,582,134.72
  5. Step 5: Solve for x
    x = 17,140,582,134.72/108,597.60
  6. Step 6: Final answer
    x = 157,835.74

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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.