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Finding the Fourth Proportional to 108,758.40, 163,189.04 and 52,566.81

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Solution

The fourth proportional to 108,758.40, 163,189.04 and 52,566.81 is: 78,875.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,758.40 : 163,189.04 = 52,566.81 : x
  2. Step 2: Convert to fraction form
    108,758.40/163,189.04 = 52,566.81/x
  3. Step 3: Cross multiply
    108,758.40x = 163,189.04 × 52,566.81
  4. Step 4: Simplify right side
    108,758.40x = 8,578,326,996.93
  5. Step 5: Solve for x
    x = 8,578,326,996.93/108,758.40
  6. Step 6: Final answer
    x = 78,875.08

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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.